Created by- An Angry Procrastinating Student.
-2-
I.
(A)
(B)
(C)
(D)
2.
'f.
6.
neutrons plus protons
neutrons minus protons
electrons plus neutrons
electrons plus protons
II.
III.
IV.
(A)
(B)
(C)
(D)
Protons and neutrons are found in
the nucleus.
Electrons can be found anywhere
· outside the nucleus.
The number of protons always
equals the number of neutrons.
The number of prot<;ms always
equals the number of electrons.
The atomic number of Element Z is 13. In
which group of the periodic table should
Element Z be placed? ..
(A)
(B)
(C)
(D)
Which TWO of the following features are
true about the arrangement of electrons,
protons and neutrons in an atom?
I.
7.
(A)
(B)
(C)
(D)
I
I and III only
I and IV only
II and III only
II and IV only
(B)
(C)
(D)
Salt
Base
Alkali
Acid
Match EACH item below with ONE ofthe
options above. Each option may be used
more than once, once or not at all.
Which o'fthe substances above
3.
can be described as the oxide of a metal?
4.
supplies protons as the ONLY positive ions
in aqueous solutions?
5.
is one of the producta in a neutralization
B
D
reaction?
A
atomic number
mass number
relative atomic mass
relative molecular mass
Item 8 refers to the following quantities of
atoms.
I.
II.
III.
Items 3-5 refer to the following types of
substances.
(A)
2
3
4
5
Thearrangementofelementsintheperiodic
table is based on
IY.
..
r:
'Mass number' is the number of
12 g of carbon
16 g of sulfur
23 g of sodium
12 g of magnesium
(Relative mass number: C = 12; S = 32;
Mg= 24; Na= 23)
O8.
Which of the following pairs represents
equal quantities of atoms?
(A)
(B)
(C)
(D)
I and II only
I andIV only
II and III only
II and IV only
Created by- An Angry Procrastinating Student.
-3-
9.
10.
When solid lead nitrate is heated, it decomposes giving offnitrogen(N) oxide and oxygen. The
BALANCED equation for this reaction is
(A)
2Pb(N03)/s)
2PbO(s) + 4N02(g) + 0 2(g)
(B)
Pb(NO,),(s)
PbO(s) + N02(g) + 0 2(g)
(C)
Pb(N03),(s)
PbO(s) + 2NO,(g) + O,(g)
(D)
2Pb(N0 3) 2(s)
PbO(s) + 2N02(g) + 0 2(g)
Which of the following diagrams illustrates
bonding in chlorine?
(A)
(B)
11.
0
•
0
•
Anew element R shows chemical properties
similar to the element sodium. What is the
correct formula ofa compound formed with
R and sulfur?
(A)
RS2
(B)
RS
(C)
R,S
(D)
R,S2
•
0
•
(C)
12.
(A)
(B)
(C)
(D)
0•
•0
•
(D)
13.
0
•
.An example of a substance with a giant
molecular structure is
diamond
ethyl ethanoate
copper sheet
solid iodine
Which of the following elements can exist
in more than one form in the SAME state?
(A)
(B)
(C)
(D)
Iron
Neon
Iodine
Carbon
Created by- An Angry Procrastinating Student.
-4-
Item 14 refers to the following information.
Element
18.
Atomic Number
3 metal
6
I
II
III
IV
One of the ways in which hydrogen
resembles the Group 7 elements is that
hydrogen
(A)
(B)
17non
metal
18
(C)
14.
Which TWO of the elements above when
combined with each other form MAINLY
ionic compounds?
metal
(A)
(B)
(C)
(D)
15.
16.
(D)
Nonmetal
land II only
I and ill only
II and IV only
ill and IV only
19.
I.
II.
m.
Insoluble in water
Existing in the solid state
Easily boiled and melted
(A)
(B)
(C)
(D)
I and II only
I and ill only
II and III only
I, II and III
20.
21.
17.
A separating funnel can be used to separate
a mixture of
(A)
(B)
(C)
(D)
water and ethanol
water and kerosene
watel" and solid wdium chloride
keroaeaeandlOlidlOdiumcbloride
alkiahe
(A)
acetic (ethanoic) acid, CH3CO,H
(B)
limestone, eaco,
(C)
slaked lime, Ca(OH),
(D)
sodium chloride, NaCl
Which of the following salts is prepared by
precipitation?
(A)
(B)
(C)
(D)
From which of the following mixtures
can a solid be obtained by the process of
sedimentation?
Gels
Emulsions
Foams
Suspensions
The pH of fresh sugar cane juice which is
usually 5.0-5.5 can be changed to 7.5-8.0
for more efficient processing by adding
acidic
Which ofthe following features are usually
true of covalent compounds?
(A)
(B)
(C)
(D)
has atoms that are held together by
electrovalent bonds
donates its one electron very easily
and forms an H+ ion
is one electron short of a rare gas
structure
is a colourless gas like the halogens
Barium sulfate
Calcium chloride
l\1agnesium nitrate
Potassium carbonate
Which ofthe following compounds is NOT
a normal salt?
(A)
(B)
(C)
(D)
Sodium nitrate
Sodium carbonate
Potassium carbonate
Sodium hydrogen carbonate
Created by- An Angry Procrastinating Student.
-5-
22.
A 'weak acid' is BEST described as one
that yields a
(A)
(B)
(C)
(D)
24.
Which of the following salts are soluble in
water?
low reading on the pH meter
low concentration of acid in
aqueous solution
high concentration of hydrogen
ions in solution
low concentration ofhydrogen ions
in aqueous solution
I.
II.
III.
Ammonium carbonate
Calcium sulfate
Lead nitrate
(A)
(B)
(C)
(D)
I and II only
I and III only
II and III only
I, II and III
Item 23 refers to the following equation.
25.
NO,(g) + S02(g)
23.
NO(g) + S03(g)
(A)
(B)
(C)
(D)
Which of the following compounds is
reduced?
(A)
N02
(B)
so,
(C)
NO
(D)
so,
Which of the following substances is a
weak electrolyte?
Aqueous ethanoic acid
Dilute hydrochloric acid
Molten lead
Molten lead bromide
'
26.
Which of the following changes to a metal
atom happens when it becomes an ion?
(A)
(B)
(C)
(D)
Gains electrons and is oxidized.
Gains electrons and is reduced.
•
Loses electrons and is oxidized.
Loses electrons and is reduced.
loseofelectrons
oxidation
metal loseelectrons
27.
In which of the following reactions is sulfur dioxide acting as an oxidizing agent?
(A)
2S02(g) + 0 2(g)--+ 2S03(g)
(B)
SO,(g) + 2H,S(g)
2H,0(1) + 3S(s)
(C)
S02(g) + H,0(1)
H,S03(aq)
(D)
S02(g) + 2HN03(aq) .-+
+ 2N02(g)
reduced
oxidizing agents are
'.
Created by- An Angry Procrastinating Student.
-6Item 28 refers to the following apparatus
which is used to investigate the relative
conductivity of various substances.
31.
Which of the following statements BEST
describes a catalyst?
(A)
6 V d.c. Supply
It increases the activation energy
of a chemicaf reaction.
It alters the quantity of the products
formed.
It is unchanged physically at the
end of a reaction.
It is unchanged chemically at the
end of a reaction.
(B)
r------illllt----.
(C)
Bulb
(D)
Graphite
rod
28.
---- --- -----
Solution under
investigation
32.
An excess of magnesium powder was
added to 50 cm3 of dilute sulfuric acid,
and the reaction was allowed to continue
until no more hydrogen evolved. Which of
the following graphs BEST represents the
complete reaction?
If solutions containing 1 mole of solute per
dm3 of aqueous solution are investigated,
which of the following solutions would
cause the bulb to glow BRIGHTEST?
(A)
(B)
(C)
(D)
29.
Graphite rod
Ethanoic acid
Sulfuric acid
Hydrochloric acid
(A)
Which of the following substances does
NOT conduct electricity?
(A)
(B)
(C)
(D)
Time
•
Volume
of
metal
Solid calcium
Solid calcium chloride
Molten calcium chloride
Aqueous calcium chloride
Volume
of
hydrogen
·
(B)
bydrogeu
conductive
30.
Which of the following observations
is expected with the electrolysis of
concentrated sodium chloride solution using
graphite electrodes?
(A)
(B)
(C)
(D)
Time
(C)
Volume
of
hydrogen
(D)
Volume
of
hydrogen
Chlorine is evolved at the anode.
The pH of the solution decreases.
·. Oxygen is evolved at the anode.
Sodium is discharged at the
cathode.
Created by- An Angry Procrastinating Student.
-7-
33.
The condensation of steam is an exothermic
reaction. Which ofthe following statements
are true for this reaction'?
I.
II.
III.
Heat is absorbed.
Heat is evolved.
is negative.
(A)
(B)
I and II only
I and III only
II and III only
I, II and III
(C)
(D)
37.
(A)
(B)
(C)
(D)
38.
34.
•
The
=-92 kJ mo1- 1 means that
92 kJ of energy are
(A)
(B)
(C)
(D)
35.
released during the reaction
required to fonn the bonds in NH3
required forthe reaction to proceed
required to break the bonds in N 2
andH,
(C)
(D)
Aqueous copper(II) sulfate
Copper
Sulfur
Sodium chloride
When heated, which ofthe following nitrates
decomposes to produce the metal oxide,
oxygen and nitrogen dioxide?
(A)
(B)
(C)
(D)
· Ammonium nitrate
Copper nilrate Calton
Potaaaium nitrate
Sodium nitrate
can act as a reducing agent
x
conducts electricity
x
forms an acidic oxide
is a solid at room temperature
x
Which of the following elements can be
extracted by chemical reduction?
(A)
(B)
(C)
(D)
K
Ca
Fe
Mg
•
40.
Which ofthe following substances conducts_
an electric current and remains chemically
unchanged?
(A)
(B)
36.
39.
Density
Hardness
Melting point
Electrical conductivity
An element that is a non-metal
(A)
(B)
(C)
(D)
Item 34 refers to the Haber process for the
production of ammonia, according to the
equation
N 2(g) + 38,(g)
2NH3(g),
1
= -92 kJ mo1-
A recently discovered element is thought
. to be a metal. Which of the following
physical properties wou}d BEST confirm
this?
· Which of the following elements would
NOT form an acidic oxide when burnt in
air?
(A)
(B)
(C)
(D)
41.
Carbon
nonmetal
Sulfur
Nitrogen
Magnesium
f
Which of the following observations is
expected when aqueous silver nitrate is
added to aqueous potassium chloride?
(A)
(B)
(C)
(D)
A pungent gas is evolved.
A blue precipitate appears.
A white precipitate appears.
A brown precipitate appears.
Created by- An Angry Procrastinating Student.
-842.
Which of the following gases is alkaline?
(A)
(B)
(C)
(D)
47.
Ammonia
Carbon dioxide
Nitrogen dioxide
x
Sulfur dioxide
To which homologous series does the
following structure belong?
H
H
I
I
x
I
Ammoniamaybeproducedinthelaboratory
by heating a mixture ofammonium chloride
and
WH
(A)
(B)
(C)
(D)
44.
(C)
(D)
45.
copper
calcium hydroxide
ammonium sulfate
calcium chloride
I
Calcium chloride
Lead nitrate
Zinc sulfate
Sodium carbonate
(C)
(D)
C H OH
CnHentto H
Acids
Alkenes Catlin
Alkanes atlanta
Alcohols
I
H3C-C- CH20H
I
CH2
I
CH3
48.
Aluminium
Copper
Magnesium
Zinc
densities
boiling points
chemical properties
physical properties
I
H
CH3
ALL members ofa homologous series have
similar
(A)
(BJ
(C)
(D)
H
Item 48 refers to the compound shown
below.
Which of the following elements is the
MOST electropositive?
(A)
(B)
46.
(A)
(B)
(C)
(D)
Which of the aqueous solutions below
produces a yellow precipitate with aqueous
potassium iodide?
(A)
(B)
I
H-C-C-C-OH
H
43.
H
49.
Which TWO of the following terms
coFrectly describe the compound shown?
I.
II.
III.
IV.
An alcohol
A branched alkane
Reactive with sodium
-Not reactive with acidified
potassium dichromate
(A)
(B)
(C)
(D)
I and III only
I and IV only
II and III only
II and IV only
The compound which has the formula
ts
t
t
CHi C8iC8i
is
cutis cation
(A)
an"alkene
(B)
an unsaturated acid
(C)
a carboxylic acid
(D)
a polymer
Created by- An Angry Procrastinating Student.
-9-
so.
(A)
(B)
(C)
(D)
51.
55.
(A)
(B)
(C)
(D)
are soluble in water
bum with a blue flame
contain the -COOR group
have a pleasant odour
Which of the following reactions occurs
between propene and bromine?
(A)
(B)
(C)
(D)
52.
Items 53-54 refer to the following options.
Ethyl ethanoate and fats are classified as
esters. From this information it can be
deduced that BOTH
Addition
Condensation
Substitution
. Precipitation
Each option may be used once, more than
once or not at all to answer the items below.
53.
C,H,
(B)
C)I,
(C)
C 2H,OH
(D)
C,H,CI
RCOOH(aq) + NaOH(aq)
What is the name of the process in which
analcoholandacarboxylicacidreactusing
a catalyst?
C
54.
Which of the following compounds would
increaseinmasswhentreatedwithhydrogen
in the presence of nickel?
'
(A)
Addition
Isomerism
Esterification
Polymerisation
What is the name of the process in which
proteins are formed from amino acids?
D
RCOONa(aq) + H,0(1)
Which of the following processes CORREC1LY describes the reaction above?
(A)
(B)
(C)
(D)
56.
Precipitation
Neutralization
Reduction
Decomposition
When large alkane molecules are cracked, the products are a mixture of
(A)
(B)
(C)
(D)
small alkane molecules
small alkene molecules
large and small alk:ane molecules
small albne and albine molecules
Created by- An Angry Procrastinating Student.
- 1057.
The MAJOR natural source of alkanes and alkenes is
(A)
(B)
(C)
(D)
58.
petroleum
natural gas
the earth's crust
the atmosphere
The fermentation of sugars, using glucose as the substrate, can be represented by the equation
alchol
59.
A protein, X, is hydrolysed, using a dilute acid. The BEST method of separating and identifying
the products is by
(A)
(B)
( C)
(D)
60.
chromatography
crystallization
distillation
fractional distillation
A polymer has the structure
The formula of the monomer 1s
(A)
(B)
CH3=CHX
(C)
CH3-CH,X
(D)
END OF TEST
IFYOU FINISH BEFORE TIME JS CAUJID, CHECK YOUR WORK ON THIS TEST.
Created by- An Angry Procrastinating Student.
TESTCODE
FORM TP 2014054
01212010
MAY/JUNE 2014
CARIBBEAN EXAMINATIONS
COUNCIL
CARIBBEAN SECONDARY EDUCATION CERTIFICATE®
EXAMINATION
CHEMISTRY
Paper 01 - General Proficiency
1 hour 15 minutes
( 06 JUNE 2014 (p.m.))
READ THE FOLLOWING INSTRUCTIONS CAREFULLY.
1.
This test consists of 60 items. You will have 1 hour and 15 minutes to answer them.
2.
In addition to this test booklet, you should have an answer sheet.
3.
Each item in this test has four suggested answers lettered (A), (B), (C), (D). Read each item
you are about to answer and decide which choice is best.
4.
On your answer sheet, find the number which corresponds to your item and shade the space
having the same letter as the answer you have chosen. Look at the sample item below.
Sample Item
. The SI unit of length is the
(A)
(B)
(C)
(D)
Sample Answer
e®©®
metre
newton
second
kilogram
The best answer to this item is "metre", so answer space (A) has been shaded.
5.
If you want to change your answer, erase it completely before you fill in your new choice.
6. When you are told to begin, turn the page and work as quickly and as carefully as you can. If
you cannot answer an item, go on to the next one. You may return to this item later. Your score
will be the total number of correct answers.
7. You may do any rough work in this booklet.
8. Figures are not necessarily drawn to scale.
--iiiiii
iiiiiiii
;:;;;;;;
-
---
iiiiiiii
9. You may use a silent, non-programmable calculator to answer items.
DO NOT TURN TIDS PAGE UNTIL YOU ARE TOLD TO DO SO.
Copyright © 2012 Caribbean Examinations Council
All rights reserved.
Created by- An Angry Procrastinating Student.
-21.
Which ofthe following movements depicts
Brownian motion?
(A)
(B)
(C)
(D)
2.
Pollen grains moving at random in
water
Water nioving from sea water into
brine through cellophane
The scent of perfume moving
through the air in a room
The movement of sugar particles
into the blood stream through
the intestine wall
4.
(A)
(B)
(C)
(D)
5.
(C)
(D)
x nonmetal
metal
g
(A)
(B)
(C)
(D)
non
y
6.
Nonmetal
Nonmetal
Metal
Metal
Item 3 refers to the following graph which
shows the changes in temperature with
time, for a suqstance that is heated until no
further physical change takes place.
Hydrogen
Oxygen
Nitrogen
Chlorine
In the equation
xKOH + 3Br2
5
6
KBr0 3 +3H 20,
the values ofx andy respectively are
(A)
(B)
(C)
(D)
7.
8.
3.
neutron
proton
neutrons
protons and electrons
neutrons and protons
protons, neutrons and electrons
Which of the following elements has 7
electrons in its outer shell?
(A)
(B)
The arrangements of electrons in atoms of
X andY are 2, 8, 5 and 2, 8, 6 respectively.
Which of the following options represents
X andY?
X
Metal
Nonmetal
Nonmetal
Metal
The mass number of an element is the
number of particles in the nucleus of an
atom ofthat element.
Atomic proton
'Particles' refer to
5; y = 6
6; y = 5
x=5;y=5
x = 6; y = 6
X=
X=
. Of the following ions, the one which
requires the LARGEST number of moles
of electrons to liberate one mole of it is
(A)
(B)
(C)
AP+
ClCu2 +
(D)
0 2-
The quantity '1 mole of atoms of an
element', refers to the mass of
During which portion of the curve is the
substance a liquid only?
(A)
(A)
I
(C)
(B)
(C)
II
III
(D)
(D)
IV
(B)
1 atom of the element
the element which contains
6.0 x 1023 atoms
the element which occupies
24.0 dm3 at STP
the element which combines
completely with 12 g of
carbon -12
GO ON TO THE NEXT PAGE
Created by- An Angry Procrastinating Student.
,.,
- -'
9.
Which of the following substances does
NOT have a giant structure?
(A)
(B)
(C)
(D)
10.
(B)
(C)
(D)
11.
13.
anions are held together by negative
electrons
metal atoms are held together by
molecular forces
cations are held together by a sea
of mobile electrons
positive metal ions are held together
by a sea of anions
15.
(D)
16.
0.0015 g
(B)
(C)
(B) ,
(C)
0.15 g
·1.s.g
(D)
15.0 g
60g
1000cm
X25cm 1.5g
(D)
Separation of mixtures is based on specific
properties of the components in the
mixture. Which of the following properties
is used to separate a mixture of oil and
water?
(A)
(B)
(C)
(D)
Solubility
Viscosity
Particle size
Boiling point
17.
loose electrons which can move
throughout the lattice
weak attraction among the
hexagonal layers of carbon
atoms
strong attraction among the
hexagonal layers of carbon
atoms
·strong attraction within the
hexagonal layers of carbon
atoms
Which of the following halogens is a liquid
at room temperature?
(A)
(B)
(C)
(D)
18.
gas evolved
rate of reaction
colour of the product
colour change with litmus
Graphite can be used as a lubricant because
of the
(A)
The mass concentratibn of a potassium
chloride solution is 60 g dm-3 . What is the
mass of potassium chloride in 25 cm3 of
this solution?
Filtration
Precipitation
Centrifugation
Chromatography
Barium is below calcium in Group II of
the Periodic Table. When these metals
react with water, the main differences in
observation is the
(A)
(B)
(C)
Gels
Foams
Emulsions
Suspensions
(A)
'Which of the following separation
techniques is NOT used during the '
extraction of sucrose from sugar cane?
(A)
(B)
(C)
(D)
From which of the following substances
can a solid be obtained by the process of
sedimentation?
(A)
(B)
(C)
(D)
12.
14.
Copper
Graphite
Oxygen
Sodium chloride
Which of the following statements BEST
describes the formation of a metallic bond?
A metallic bond is formed when
(A)
R
-
Bromine
Fluorine
Chlorine gas
Iodine so
f
Which of the following terms BEST
describes strong acids?
(A)
(B)
(C)
(D)
Concentrated
Partially ionized
Ionized to a large extent
Concentrated and partially ionized
GO ON TO THE NEXT PAGE
Created by- An Angry Procrastinating Student.
-419.
A solution has a pH of 1. This solution
would be expected to react with
acidmetal
(A)
zinc metal to produce hydrogen
(B)
zinc metal to produce a solution of
pH 10
(C)
hydrochloric acid to produce
chlorine
(D)
hydrochloric acid to produce a salt
and water
23.
(A)
(B)
(C)
(D)
24.
Item 20 refers to one mole ofEACH of the
following acids.
I.
II.
III.
20.
In the electrolysis of aqueous copper(II)
sulfate solution using copper electrodes,
the anode
The equation for the reaction of silicon with
chlorine is
(A)
(B)
(C)
II only
I and III only
II and III only
I, II and III
(D)
25.
R
21.
Which of the following terms BEST
describes the oxide of a metal?
(A)
(B)
(C)
(D) ,
Sa,lt
Base
Alkali
Acid
(B)
Asolution, when reacted with the gas sulfur
(A)
(B)
(C)
(D)
nitrate
sulfate
dichromate(VI)
manganate(VII)
a
o
(A)
dioxide, becomes green. The solution
contains potassium
oxidized with an increase 111
oxidation state
oxidized with a decrease 111
oxidation state
reduced with an increase 111 reduceagent
oxidation state
Joxided
reduced with a decrease in oxidation
state
Which of the statements below is true for
the following equation?
(C)
22.
SiCl/1).
In this reaction, silicon is the reducing agent
and is
Which of the above acids would require
MORE than one mole of NaOH(aq) for
complete neutralization?
(A)
(B)
(C)
(D)
decreases in mass
.
.
mcreases m mass
undergoes no change in mass
is the site where reduction occurs
Si(s) + 2Cl/g)
H 2S04
CH3 COOH
(COOH) 2
·
Mg is reduced from oxidation state
+2 to 0.
Mg is oxidized from oxidation state
0 to +2.
Hydrogen is reduced from oxidation
state -t-2 to 0.
(D)
Hydrogen is oxidized from
oxidation state 0 to + 1.
green
GO ON TO THE NEXT PAGE
Created by- An Angry Procrastinating Student.
-526.
2.32 g pf an oxide of iron were heated
in dry l,tydrogen. When the reaction was
completed, 1.68 g of iron were formed.
[RAM: Fe= 56; 0 = 16]
The oxide of iron was
(A)
(B)
(C)
(D)
27.
Which of the following statements about
electrolysis is NOT correct?
(A)
232g
(B)
(C)
reduced
oxidized
neutralized
decomposed
(D)
The electrons leave the solution via
the positive electrode.
The electrons enter the solution via
the negative electrode.
Decomposition of the electrolyte
at the electrode produces an
electric current.
Decomposition of the electrolyte at
the electrode is due to an electric
current.
Acidified potassium manganate(VII) is
(A)
(B)
(C)
(D)
28.
31.
a reducing agent
an oxidizing agent
a dehydrating agent
both an oxidizing agent and
reducing agent
During the electrolysis ofaqueous copper(II)
sulfate solution using inert electrodes, the
ions migrating to the cathode are
(A)
32.
(A)
(B)
(C)
(D)
33.
Cu2+ (aq) and SO/-(aq)
(B)
H+(aq) and OH-(aq)
(C)
S04 2-(aq) and OH-(aq)
(D)
Cu + (aq) and H+ (aq)
100
600
1 000
60 000
Q IT
Q 100AxC1060
100 A 600
60,000
The rate of a chemical reaction does NOT
depend on the
(A)
(B)
(C)
(D)
presence of a catalyst
concentration of the reactants
energy change of the overall
rt<action
temperature of a reacting system
2
34.
Items 29"":"30 refer to the following options.
Each option may be used once, more than
once or not at all to answer the items below.
(A)
(B)
(C)
(D)
How many coulombs (C) of electricity pass
through an electrolyte when a cmTent of
100 A flows for 10 minutes?
At a flour mill, there is the risk of an
explosive reaction occurring when a match
is struck. This is due MAINLY to the
(A)
(B)
(C)
Iron
Lead
Copper
Magnesium
(D)
increased pressure in the area
increased concentration of flour
high temperature caused by the
lighted match
large surface area created by the
large number of small particles
Which element
29.
forms an oxide which cannot be reduced
by hydrogen?
D
30.
would be liberated from an aqueous
solution of its salts during electrolysis?
C
35.
Which of the following metals can be
extracted by electrolysis?
(A)
Zn
(B)
Ca
(C)
(D)
Al
Fe
electrolysis
reduction
f\1\.T T r \ 'T'TTn
-nA I"'T"'
Created by- An Angry Procrastinating Student.
- 636.
When crystals of potassium nitrate are
dis-s olved in water, the temperature of the
solution decreases because
(A)
(B)
(C)
(D)
37.
energy is required to break down the
crystal structure of the potassium
nitrate
heat is always absorbed when a
substance dissolves
the water absorbs the energy from
the potassium nitrate
the energy content of dissolved
potassium nitrate is lower than
that of solid potassium nitrate
Which of the following pairs of substances
is MOST suitable for producing carbon '
dioxide?
(A)
(B)
(C)
(D)
Dilute hydrochloric acid and
calcium carbonate
Dilute hydrochloric acid and
calcium hydroxide
Sodium hydroxide and calcium
carbonate
Dilute sulfuric acid and calcium
hydroxide
Items 38-39 refer to the following sequence of reactions involving iron compounds, where l, II,
III and IV represent progressive stages in the sequence.
38.
In which stage is the oxidation state of iron
increased?
39.
A suitable reagent that could be used at IV
is
(A)
I
(A)
(B)
II
(B)
(C)
(D)
III
IV
(C)
(D)
steam
hydrogen
solid copper oxide
aqueous sodium hydroxide
following metals can displace zinc from a solution of zinc sulfate?
40.
(A)
(B)
(C)
(D)
· Iron
Lead
Copper
Aluminium
IC_I\
1\1\.T Tl\ Tl-lh'
1'-Th'YT P .t\ GF
Created by- An Angry Procrastinating Student.
-7Items 41-42 refer to the properties of four metals, W, X, Y and Z, which are summarised in the
following table.
Reaction With Water/Steam
Metal
41.
w
There is no reaction.
X
Reacts with steam but not with cold water. Oxide, N0 2 and 0 2
y
Reacts rapidly with cold water.
Nitrite and oxygen
z
Reacts slowly with cold water.
Oxide, N0 2 and 0 2
yz
(D)
(D)
45.
Metal, N0 2 and 0 2
42.
W,X,Y,Z
X,Y, Z,W
Y,Z, W,X
Y,Z,X,W
Which of these metals forms a carbonate
which is stable to heat?
w
(A)
(B)
(C)
X
y
z
(D)
Which of the following substances forms
dense white fumes with ammonia gas?
(A)
(B)
(C)
44.
xw
The order of reactivity of these metals, with
the MOST reactive FIRST, is
(A)
(B)
(C)
43.
Products Formed When Nitrate is Heated
Oxygen
Hydrogen
Nitrogen dioxide
Hydrogen chloride
Which of the following observations is
likely when EXCESS aqueous ammonia
is added to a solution of copper(II) sulfate
and the mixture is shaken?
(A)
(B)
Green soiution
Green precipitate
(C)
D,eep blue solution
(D)
Light blue precipitate
Item 46 refers to the following equation
46.
H
H
H
H
I
H-C
I
H
I
I
I
-c =c -c
H
. I
(A)
Larger to
(A)
(B)
I only
I and II only
II and III only
I, II and III
(C)
(D)
H
H
H
I
I
I
H-C -C -C -C -H
I
(B)
Br
H
H
H
H
H
H
I
I
I
I
I
(C)
I
Br
H-C -C -C -C -H
Which of the following molecules could be
obtained by cracking the alkane, C 8H 18 ?
CzH4
C6H14
H + Br 2
What is the correct structural formula of
X?
. i.
I.
II.
III.
-
I
H
I
I
I
H
Br
H
Br
H
H
H
H
I
I
I
H-C -C -C -C -H
I
smaller
I
Br
H
H
Br
H
H
H
H
I
I
I
cl6H34
(D)
H-C-C-C-C -H
I
H
/"""/"\.
Br
PT'r"'>. "T"'TTT"'
Br
I
H
T"t. .to
,....... ..,-..
Created by- An Angry Procrastinating Student.
-847.
Which of the following substances is a
product of a halogenation reaction with
methane?
(A)
(B)
(C)
(D)
51.
The functional group present in carboxylic
acids is
H
(A)
Ammonia
Water
Hydrogen chloride
Nitrogen(IV) oxide
I
I
-C=O
OH
I
(B)
-c=o
Items 48--49 refer to the following options.
(A)
(B)
(C)
(D)
H
C2H4
C2H6
CH3(CH2) 2 COOH
CH3(CH2 ) 3CH20H
I
-c
(C)
-OH
I
H
Match EACH item below with ONE of the
options above. Each option may be used
once, more than once, or not at alL
H
I
(D)
-C =C-OH
48.
An alcohol
I
D
49.
H
An alkane
Items 52-55 refer to the following options.
B
50.
Which of the following compounds can
form a polymer?
(A)
H
H
(B)
""
/
C=C
/
""
H
I
H
(D)
(C)
H
I
I
H
H
H
H
I
I
52.
I
(D)
I
H
H
H
H
H
I
I
I
H-C-C-C-OH
I
H
I
H
53.
I
H
Is a MAJOR constituent of natural gas
C
I
H
The residue in the fractional distillation of
petroleum
A
H
H-C-C-C-H
I
Plastic
Match EACH item below with ONE of the
above options. Each option may be used
once, more than once or not at all.
H
H-C-C-H
I
that
Bitumen PitchAs
Paraffin oil
Methane tightlyFlamableAlkane
Propene
(A)
(B)
(C)
54.
Is used in making plastics
55.
Requires the LEAST amount of oxygen per
mole for complete combustion
D
C
r.:.t'l t'l"h.T Ttl TUP 1\.TPYT PAGF
Created by- An Angry Procrastinating Student.
-956.
A polyamide is formed by a condensation
reaction between a molecule containing
(A)
(B)
(C)
(D)
at least one -COOH group with
another containing at least one
-NH2 group
at least one -OH group with another
containing at least one -COOH
group
at least one -OH group with another
containing at least one -NH 2
group
two -OH groups with another
containing two -COOH groups
59.
Which of the following statements is
TRUE?
The particles in a gas
(A)
(B)
(C)
(D)
60.
Which of the following compounds can
decolourize potassium manganate(VII)?
(A)
57.
The compound, ethene, is described as
being unsaturated. This means that the
(A)
(B)
(C)
(D)
carbon atoms in ethene are linked
by single bonds
carbon atoms in the molecule are
very reactive
molecule has insufficient hydrogen
atoms
molecule contains at least one
double bond
Nylon is a macromolecule. which is held
together by the same linkage as a protein
molecule. What is the name given to this
type of linkage?
(A)
(B)
(C)
(D)
H
""'C=C /
H/
(B)
H
""' H
H
I
I
(C)
(D)
H
I
I
H
H
H
H
H
H
H
H
H
H
I I I
H-C-C-C-H
I I I
I
I
H-C-C-H
I
C=O
Amide' bond
Double bond
Ester linkage
Ether linkage
I
OR
END OF TEST
IF YOU FINISH BEFORE TIME IS CALLED, CHECK YOUR WORK ON TIDS TEST.
()1? 1 ?()1 ()/F ?()14
did
bonds alkenes
H-C-C-H
g
58.
are larger when heated
are further apart when heated
are very closely packed together
have strong forces between them
Created by- An Angry Procrastinating Student.
1.
Which of the following processes provide 6.
widence ofthe particulate natue ofmattei?
Sulfir and orygen are in the same group
ofthe periodic table because
(A)
(B)
(C)
I. Capillarity
II. Difrrsion
III. Filtation
fV. Osmosis
(D)
(A) I and III only
(B) IandlVonly
(C) tr and III only
(D) tr and IV only
they can react with each other
they can forrn covalent compounds
they have the same number of
eleotrons in their outer shell
the atomic number of sulfu is 16
and the relative atomic mass of
oxygen is 16
llgpgf refers to thg f6ll6v/ing quantities of
R
2.
aloms.
'Mass number'is the number of
(A)
(B)
(C)
(D)
R 3.
I.
II.
III.
fV.
neutons plus protons
neuEons minus protons
electrons plus neutons
electrons plus protons
Which of tbe following elements has 7
electrons in its outer shell?
(Relative mass number:
Mg :24; Na - 23)
R 7.
(A) Hydrogen
(B) Oxygen
(C) Nitrogen
(D) Chlorine
4.
as
(A) argon
(B) calcium
(C) neon
2.8
(D) sodium
5.
]!Na and llNa are isotopes
(A)
(B)
(C)
(D)
8,
C=
121,S=32;
Which of the following pairs represents
equal quantities of atoms?
(A)
(B)
(C)
(D)
An atom thathas 20 elechons when itionizes
has the same electonic configuration
ofcarbon
of sulfur
23 g of sodium
12 g.of mapesium
12 g
16 g
I and II only
I and W only
II and Itr only
II and IV only
An ion with a single negative charge may
be converted into a neutal atom bv
(A)
(B)
(C)
(D)
losing a neuton
gaining a proton
losing an electon
gaining an electon
because they
conductelectricit;r
react vigorously r*,ith water
have the sarae numbe'r of protons
have ttre same relative atomic mass
GO ON TO THE NEXTPAGE
Created by- An Angry Procrastinating Student.
-J-
9.
Sodium reacts vdth wat€r according to
equation
2Na(s) +
the
Item 12 refers to the following information.
Element
I.3
[.
2IIrO(f -+ 2NaOH(aQ +I!(C)
42
p
(Molar volume of Igas : 24 lites at rtp).
(B)
(c)
(D)
R 10.
24110.1 2.4
24.0
T7
rv
Ine
18
Which TWO of the elements above when
combined with each other form MAINLY
ionic compounds?
(A)
(B)
(C)
(D)
metal nonneld
I and II only
I and III only
II and IV only
III and IV only
A new element, R, shows chemical
properties similar to the element sodium.
What is the correct formula of a compound
forrned with R and sulfir?
(A)
(B)
(c)
(D)
11.
r.2
2.4
r2.o
M
6 n
III.
The number of litres of hydrogen (at rtp)
libe.rated when 0.1 mole of sodium reacts
R t2.
is
with excess water
(A)
Atomic Number
13-14
refer to the following terurs.
Giant ionic stucture
Simple molecular crystal
Macromolecularstucture
Giant covalent structure
Rs
Match EACH substance below with one
Rzs
type ofproauct
type ofgas evolved
reaction with litnus
solubilityofproduct
of
the terrns above, each ofwhich may be used
more than once, once or not at all.
&S,
the
(A)
(B)
(C)
(D)
(A)
(B)
(C)
(D)
RS,
Barium is below calcium in Group II of
the Periodic Table. When BOTH metals
rcact with water, the MAIN diferences in
observation would be the rate of reaction
and
Items
13.
Calcium chlorideSionic bond
14.
Starch
R15.
A
C
A separating firnnel canbeusedto separate
a mixture
(A)
(B)
(C)
(D)
of
water and ethanol
solubilty
water and kerosene
water and solid sodium chloride
kerosene and solid sodium chloride
GO ONTOTIIENEXTPAGE
Created by- An Angry Procrastinating Student.
-4-
16.
Which of the following substances, when 21.
added !o pure water, SIGNIFICANTLY
increases the water's conductiviw?
(A) Graphite
(B) Iron(II) hydroxide
(C) Coppedtr) hydroxide
(D) Sodium chloride
. R 17.
A solution having
a
pH of I
will
fV.
(C)
react with zinc metal to produce
hydrogen
10
react with hydrochloric acid to
22.
Which ofthe following halogens is a liquid
at room temperature?
(A) Chlorine
gas
(B) Bromine liquid
(c) Fluorine
solid
(D) Iodine
R 19,
A'weak acid'is BEST described
that yields
a
as one
ra
(A)
(C)
high concentrafion of
(D)
ions in solution
low concenfration ofhydrogen
in aqueous solution
In which ofthe follolving reactions is sulfur
dioxide acting as an oxidizing agent?
2sor(g) + Q@)
---+
2sot(c)
s reduced
sOrG) + 2FtsG)---+ 2I!O(1) + 3S(s)
(c)
(D)
sqG)
23.
hydrogen
ions
give hydrogen ions.
They forrr a nomral salt when all
replaceable hydrogen ofthe acid
is removed.
Their anions can dissociate to give
hydrogen ions.
They are not capable ofgenerating
a norrnal salt.
(B)
(A) low reading on the pH metrr
(B) low concentration of acid in
aqueous solution
Their anions cannot dissociate to
(A) I and III
(B) I and IV
(C) II and III
(D) IIIandW
a
produce a salt aDd water
R 18.
L
III,
ueutalize a solution ofpH4
react with zinc metal to produce
(D)
describe acid salts?
tr.
(A)
(B)
solution ofpH
Which TWO of the following statements
+
II,o(l) -* Hrsq(ac)
sq(g)+2HNo3(ad--+Hrse(aq)+2Nor6)
In which of the following compounds does
hydrogenhave anegativeoxidationnumber?
(A) CI{
(B) 4q
(C) lGl.
(D)
NaH
R 20.
Which of the following methods may be
Lswitch used in the preparation ofbarium sulfate in
the laboratory?
(A)
(B)
(C)
(D)
Distillation
Evaporation
Precipitation
Crystallization
GO ONTO THE NEXTPAGE
Created by- An Angry Procrastinating Student.
-)24.
When an exothermic reaction occurs,
is
(A)
(B)
(C)
(D)
25.
energy 28.
releasesheatenergy
absorbed from the environment
released to the
absorbed from the
released from the
environment
reactants
products
Which of the following observations
is expected with the electrolysis of
concentated sodium chloride solution using
gra.phite
(A)
(B)
(C)
(D)
26.
electrodes?
29.
chlorine is evorved at the anode.
The pH ofthe solution decreases.
Oxygen is evolved at the anode.
Sodium is discharged atthe
A solution, X, is
cathode.
Which of ttre following factors will usually
increase the rate ofcatalytic decomposition
ofhydrogen peroxide?
(A)
(B)
(C)
Increasing the temperature
Applying a greaterotternalpressure
Using a larger volume ofhydrogen
(D)
peroxloe
Using the catalyst in lumps rather
than in powdered form
Which of the following substances is an
amphoteric oxide?
(A)
(B)
(C)
(D)
Magnesium oxide
Aluminium oxide
Silicon dioxide
Sultur dioxide
added to acidified aqueous
potassium iodidewhichtumsblown. Addition
of starch to the solution results in a dark blue
colouration.
It is possible that solution X
contains
27.
(A)
Fd* ions
(B)
sof-
(C)
a reducing agent
(D)
an oxidizing agent
ions
In which of the following substances will
electrolysis NOT bccur when au electrical
current is passed through it?
(A)
CB)
(C)
(D)
Dilute sulfuric acid
Solid sodium chloride
Molten sodium chloride
Sodium hydroxide solution
GO ONTO TI{ENEXTPAGE
Created by- An Angry Procrastinating Student.
-630.
Which of the following diagrams BEST
illusfrates the course of an exothermic
Allmembers ofa homologous
series
have
similar
reaction?
(A)
(B)
(A)
densities
boiling points
(c)
cbemical properties
physical properties
(D)
energy
lost
Reacfion path
Item 32 refers to the following graph which
shows the boiling points of some shaightchain alcohols.
Boiling
points (oC)
(B)
Reaction prth
|
(c)
2 3 4 5 6 ?. 8 I
Nunber of carbon atoms In chrin
Which ofthe following molecular formulae
reprresents the alcohol whose boiling
point
is I80 "C?
(c)
c4(crt)3oH
c4(cH,)pH
cr{(crt)5oH
(D)
cH3(crt)6oH
(A)
(B)
Reaction path
(D)
R
To which homologous series does the
following structure belong?
HH
tl
H-C-C
tl
HE
Reaction prth
(A)
(B)
(c)
(D)
y'o
-c\o-t
Acids
AlkanesCattani
Alkenes nth
Alcohols
GN r|\T TN TITF NFYT PArlF
Created by- An Angry Procrastinating Student.
-7 -
@-37j!.refer
Items 34-35 rcfer to the following chart
showingthe conversionofetheneto diferent
products.
Organic Acid
37.
to the following equation.
+Alcohol
+
Ester + Water.
The forward reaction is lorown as
(A)
(B)
(c)
(D)
synthesis
hydrolysis
esterification
polymerization
The reverse reaction is known as
The product
(A)
(B)
(C)
(D)
I
(A)
(B)
(C)
(D)
is
ethane
ethanol
ethanoic acid
ethyl ethanoate
R
35.
The produc! polyethene, is a
(A)
(B)
(C)
(D)
R
liquid
solid
solution
between propene and bromine?
Addition
Condensation
Substitution
PreciPitation
When large alkane molecules are cracked,
tle products are a mixture of
(A)
(B)
(C)
(D)
gas
Which of the following reactions occun
(A)
(B)
(C)
(D)
synthesis
hydrolysis
esterification
polymerization
small alkane molecules
small alkene molecules
large and small alkane molecules
small alkane and alkene molecules
Which of the following reagent(s) can be
used for converting ethanol to ethanoic
acid?
provitamin
reaction
(A) c\
(B)
H,O
(C)
H*/I!CrrO,
(D)
Steam, IITPO. catalyst
potassiumdichromate
GO ONTO THE NEXTPAGE
Created by- An Angry Procrastinating Student.
-8-
R 41.
The fermentation of sugars, using glucose
as the substrate, can be represented by the
Which of the following metals will NOT
displace hydrogenfrom dilute hydrochloric
equation
acid?
(A)
42.
C'H,,O.+
6Q+ 6Cq+ 6II,0
(B)
C6HI2O6
(C)
C$rrO"--+2C$.OH+2Cq
(D)
6Cq
(A)
(B)
(C)
(D)
+ CJIr2Ou --+ C,rHrO,,+ HrO
alcohol
+ 6110
---+ CGHrrO6
+ 602
Which ofthe following methods
the extaction of aluminium?
(A)
(B)
(C)
(D)
Glucose is converted to starch or cellulose
by
(A)
(B)
(C)
(D)
dehydrogenation
oxidation and reduction
additionpolymerization
condensationpolymerization
47.
43.
44.
Which of the foll6wing fsatures belong to
metals?
F
I.
IL
ru.
Form solid chlorides
Form basic oxides
Conduct electricity when molten
(A)
(B)
(C)
(D)
I and II only
I and III only
II and III only
I, II and III
Which of the following processes produces
a gas which is differenffrom the others?
(A)
(B)
(C)
(D)
Zrrlic
Iron
Copper
Aluminium
Respiration in animals
Photosynthesis in plants
Heating calcium carbonate
Oxidation ofcarbon monoxide
R48.
is used
for
Electrolysis of its molten oxide
Electrolysis ofits aqueous chloride
Reduction ofits oxide using coke
Reduction ofits oxide using carbon
monoxide
fno
Which of the following statements about
sulfur are aue?
I.
It is used in the vulcanization of
il.
It is used in the extraction of iron
III.
It
(A)
(B)
(C)
(D)
I and II only
I andItr only
tr and III only
I, II and III
rubber.
from iron ore.ReductionBF
is used in the manufacture
explosives.
of
Which ofthe following substances conducts
an electic current but remains chemicallv
unchanged?
(A)
(B)
(C)
(D)
Aqueous copper(Il) sulfate
Copper
Sulftr
Sodium chloride
GO r)N'Tr) TT{TI NF.YT PAGF,
Created by- An Angry Procrastinating Student.
-949.
Which of the following gases is NOT
Item 52 refers to Experimenb
the following diagrams.
considered to be toxic?
(A)
Carbon dioxide
(B)
Sulfur dioxide
Nitogen dioxide
Carbon monoxide
(c)
(D)
R
50.
very
in atmosphere
crl cH:cHcttc{ crl
Manganese(I9
oxide +
sodium chloride
Conc sulfurlc
is
Manganece(IY)
an alkene Cutter
an unsaturated acid
oxlde +
sodium chlorlde
a carboxylic acid
a polymer
Whencopper(If)carbonateisheatedalonein
a dry test tube, a sas is evolved and a black
residue is forrned. This gas is expected to coz
tum red litmus blue
relight a glowing splint
(D)
form a white precipitate with
acldl
u.
Cutts
(A)
(B)
(C)
acidl
I.
The compound which has ttre formula
(A)
(B)
(C)
CD)
51.
Conc. sulfuric
common
I-IV shown in
decolourize acidified aqueous
m
Conc. sulfuric
Manganese(I9
oxide +
sodium
Conc. sulfuric acid
rv.
potassium manganat€(Vlf)
Manganese(IY)
oxide +
aqueous calcium hydroxide
sodium
IIeat
In which experiment would the amount
chlorine collected be GREATEST?
(A)
(B)
R 53.
of
I
(c)
tr
Itr
(D)
TV
Which of the following observations 1S
expected when aqueous silver nitrate ls
added to aqueous potassium chloride?
(A)
(B)
(C)
(D)
A pungent gas is evolved.
Ablue precipitate appears.
A white precipitate appears.
A brown precipitate appea$.
Gr) NN TN TTIF NF-YT PAGF.
Created by- An Angry Procrastinating Student.
-10Iterts 54-55 refer to the following metals.
(A)
(B)
AI
(c)
Fe
(D)
Na
58.
Cu
Although aluminium is more reactive than
iron, aluminiumbecomes corrosionresistant
when left orposed to the atnosphere while
iron corrodes. This is because the
(A)
(B)
Aparticular metal may be selected more than
once, once or not at all.
(c)
Which metal reacts vigorously with water
to produce a stongly alkaline solution?
D
55.
(D)
Which metal bas an alloy which is used in
the rnanufacture of aircraft?
aluminium has reacted completely
iron oxide fonned is more reactive
than the aluminium oxide fonned
oxide film on aluminium protects
the metal from firrther corrosion
but the oxide fitn on iron does
not
iron oxide reacb with the iron below
the surface but the aluminium
oxide does not react with the
aluminium below tle surface
A
56.
Agas, Z, has physical and chemical properties
similar to arnmonia. The BEST method for
collecting a pure, dry sample of Z would be
59.
important constituent of chlorophyll?
(A)
(B)
to pass it tbrough
(A)
(B)
(C)
(D)
Which of the following substances is
water and collect by downward
delivery
calcium oxide and collect by
upward delivery
calcium chloride and collect by
downward delivery
concentrated sulfuric acid and
collect by upward delivery
60.
Calcium
(D)
Magnesium
Which of the following gases will give a
positive test with dry cobalt chloride paper?
(A)
(c)
57.
(A)
(B)
(c)
(D)
Copper
(c)
(B)
The main zubstances responsible for 'acid
rain'are
Iron
(D)
CO.,
o2
IL
qo
chlorofluorocarbons
lead compounds in exhaust fumes
carbondioxideandcarbonmonoxide
sulfur dioxide and sulfiu trioxide
END OF TEST
IF YOU FINISII BEFORE TIME IS CALLED, CHECK YOT'R WORK ON TIIIS TEST.
nr ar anl nm
.)nl<
Created by- An Angry Procrastinating Student.
repeat
cANnmArF -
FORM TP 2016054
Pr.E' AS['
NQTE!
PRlNTyourname below and return thls booklet
with tte answer sheeL Failure to do so may
rerult in dlsqualffi cation,
TEST CODE
OI2I2OIO
MAY/JUNE 2016
CARIBBEAN EXAMINATIONS COUNCIL
CARIBBEAN SECONDARY EDUCATION CERTIFICATE@
EXAMINATION
CHEMISTRY
Paper 01 - General Proficiency
t
hour 15 minutes
03 JUNE 2016 (p.m.)
R"EAD THE FOLLOWING INSTRUCTIONS CAREFULLY.
I
This test consists of 60 items. You will have I hour and l5 minutes to answer-them.
2
In addition to this test booklet, you should have an answer sheet.
J
Each item in this test has four suggested answers lettered (A), (B), (C),
you are about to answer and decide which choice is best.
4.
On your answer sheet, find the number which corresponds to your item and shade the space
having the same letter as the answer you have chosen. Look at the sample item below.
(D).
Read each item
Sample Item
The SI unit of length is
(A)
(B)
the
o@@ @
metre
newton
(c)
second
(D)
kilogram
SampleAnswer
The best answer to this item is "metre", so (A) has been shaded.
5.
6.
7.
8.
9-
If you want to change your answer, erase it completely before you fill in your new choice.
When you are told to begin, turn the page and work as quickly and as carefully as you can.
you cannot answer an item, go on to the next one. You may return to that item later.
You may do any rough work in this booklet.
Figures are not necessarily drawn to scale.
You may use a silent, non-prograrnmable calculator to answer items.
I
I
I
DO NOT TURN THIS PAGE UNTIL YOU ARE TOLD TO DO
-
I
I
III
Copynght @ 2014 Caribbean Examinations Council
All rights reserved.
I
I
I
0t2t20t0F 2016
SO.
If
Created by- An Angry Procrastinating Student.
a
1.
Which of the following processes suggests
that matter is made up of minute particles?
4
Which of the following statements BEST
describes the difference between an atom and
an ion?
(A)
(B)
Diffirsion
Capillarity
Evaporation
Distillation
(c)
(D)
(A)
(B)
(C)
2
The arrangements of electrons in atoms of
X and Y are 2,8, 5 and 2, 8, 6 respectively.
Which of the following represents X andY?
(A)
(B)
(c)
(D)
x
Y
Metal
Non-metal
Non-metal
Metal
Non-metal
Non-metal
Metal
Metal
(D)
5.
(B)
248
348
(c)
973
(D)
193
r693
333
Which of these elements forms a chloride
C
retdb no meth
Which ofthe followingfeatures are true about
the arrangement of electrons, protons and
neutrons in an atom?
I.
Protons andneutrons are found inthe
II.
Electrons can be found anywhere
m.
The number of protons is the same
as the number of electrons.
(A)
(B)
I and II only
I and III only
II and III only
I, II and III
nucleus.
outside the nucleus.
MeltingPoint Boiling Point
of
of
Element
Chloride ("C) ChloridefC)
(A)
453
463
that is ionic in nature?
An atom contains equal numbers of
protons andelectrons whereas an
ion contains more electrons than
protons.
An atom contains equal numbers of
protons and electrons whereas an
ion contains unequal numbers of
protons and elecffons.
Item 3 refers to the following table which
gives the melting and boiling points of the
chlorides of four elements, A, B, C and D.
3.
An atom is electrically neutral but
an ion is positively charged.
An atom is electrically neutral but
an ion is negatively charged.
(c)
(D)
6.
The mass number ofan element is the number
of
(A)
(B)
(c)
(D)
proton
neutron
neutrons in an atom of the element
protons and electrons in an atom of
the element
neutrons and protons in an atom of
the element
protons, neutrons and electrons in
an atom of the element
GO ON TO THE NEXT PAGE
Created by- An Angry Procrastinating Student.
J7,
ff
Na and ff Na a." isotopes because they
(A)
(B)
conduct electricity
(D)
8.
(A)
(B)
(C)
(D)
x
(B)
(C)
it
(D)
is not affected by hard water
causes scum with hard water
is used widely in industries
is non-biodegradable
13.
9
a
stability
donation of electrons from a nonmetal to a metal to achieve
stability
attraction between the positively
charged ions of a metal and a
pool of electrons
sharing of electrons between the
atoms ofametal and anon-metal
to achieve stability
Which ofthe following statements describes
Which of the following aqueous solutions
contains I mole of hydrogen ions?
the effect of temperature on the solubility
solids in water?
(A)
2 dm3 of 0.5 mol dm-3 HCI
(A)
(B)
2
dm3
(c)
I
dm3
(D)
10.
electrons from
metal to a non-metal to achieve
The disadvantage ofusing a soapless detergent
is that
'Ionic bond formation'results from the
(A) donation of
x
react vigorously with water
x
have the same relative atomic mass
have the same number of protons
(c)
12.
of 0.5 mol dm-3 HrSOo
(B)
of 1.0 mol dmi ItSOo
1 dm3 of 1.0 mol dmr CHTCOOH
of
As temperature increases, the solid
melts.
As temperature increases, less solid
dissolves.
(c)
As temperature decreases, solubility
(D)
As temperafure decreases, there is
no change in solubility.
decreases.
Which of the following pairs of atoms has
the same number of neutrons?
(A) if ar and 13cu
(B)
(c)
(D)
11.
3l
l5
I
P
and
14.
describes the formation of a metallic bond?
32
l6 S
I
O
and
(A)
(B)
Gels
Foams
(c)
Emulsions
(D)
Suspensions
Anions are held together by electrons.
(c)
Metal ions are held togetherbya sea
(D)
Cations are held together by a sea
of mobile electrons.
Metal atoms are held together by
ofanions.
3r
9
From which of the following substances
can a solid be obtained by the process of
sedimentation?
(A)
(B)
anions.
?iwe and ?c
l6
Which of the following statements BEST
15.
Barium is below calcium in Group II of the
Periodic Table. When these metals react with
water, the main difference in observation is
the
(A)
(B)
(c)
(D)
type of gas evolved
rate ofreaction
colour of the product
colour change with litmus
GO C)N Tf) TI{F NTE'LT DAr'lE
Created by- An Angry Procrastinating Student.
-416.
Covalentcompounds canbe
formedbetween
20
metal nonmetal
non
I
Which of the following trends would be
observed in moving from left to right across
Period 3 of the Periodic Table?
(A)
(B)
a metal and a non-metal
a positive ion and a negative ion
(c)
two identical non-metal atoms,
I.
(D)
excluding the noble gases
two identical non-metal atoms,
including the noble gases
II.
L
R
The melting points of the elements
increase.
The nature of the oxides becomes
X
increasingly acidic.
m
The elements become more
electronegative.
Items 17-18 refer to the following sets into
which elements may be placed.
(A)
(B)
Group
(c)
(D)
(A)
(B)
(c)
1
Group 2
The halogens
Period 3
(D)
2l
Select the set of elements which BEST fits the
following descriptions. Each set may be used
more than once, once or not at all to answer
t7
(c)
(D)
Which set ofelements forms molecules which
contain two atoms?
C
18.
22
Which set of elements has atoms with two
electrons in their outer shells?
B
l9
(c)
be expected to react with
Salt
Base
Alkali
Acid
Which of the following techniques may be
used to separate a mixture of plant pigments
into their individual comPonents?
(A)
(B)
Asolutionhas apH of 1. This solution would
(A)
(B)
Which ofthe following terms BEST describes
the oxide of a metal?
(A)
(B)
the items.
III only
I and II only
II and III only
I, II and III
(D)
Centrifugation
Solvent extraction
Fractional distillation
Paper chromatograPhy
zinc metal to produce hYdrogen
zinc metal to produce a solution of
pH
10
(c)
hydrochloric acid to Produce
(D)
chlorine
hydrochloric acid to produce a salt
and water
23
In the elecfrolysis ofaqueous
coppe(Il) sulfate
solution using copper electrodes, the anode
(A)
(B)
(C)
(D)
anodeincreases
decreases in mass
increases in mass
undergoes no change in mass
is the site where reduction occurs
GO ON TO THE NEXT PAGE
Created by- An Angry Procrastinating Student.
-524
The equation for the reaction of silicon with
28.
chlorine is
Si(s) + 2clr(g)
-'
discharged during electrolysis?
SiClo(I).
(A)
In this reaction, silicon is the reducing agent
(B)
and is
(A)
oxidized with an increase in
(C)
(D)
oxidation state
(B)
oxidized with a decrease in
reduced with an increase in
(D)
oxidation state
reduced with adecrease in oxidation
29
symbol of a positive ion.
40
conduct electricity is
26.
In the following diagram, X represents the
The only giant atomic structure that can
(A)
(B)
20
quartz
(c)
(D)
polyvinyl chloride
O:
16]
The oxide of iron was
reduced
(B)
oxidized
(c)
neutralized
decomposed
(D)
A
number of neutrons and electrons in X?
2.32 g of an oxide of iron were heated in dry
hydrogen. When the reaction was completed,
1.68 g of iron were formed.
[RAM: Fe = 56;
30.
Number of
Neutrons
Number of
Electrons
(A)
(B)
20
18
20
20
(c)
60
18
(D)
60
20
Which ofthe following oxides reactwith both
acids and bases?
(A)
(B)
(c)
(D)
27
\F
2+
Which of the following pairs represents the
copper
graphite
(A)
The position of the cation in the
electrochemical series
The concentration of the cation in
solution
The temperature of the solution
The type of electrode
oxidation state
(c)
state
25
Which of the following factors does NOT
determine if a particular cation would be
Mgo
CuO
Al2o3
CaO
on
amp
Which ofthe following energy changes occurs
during the breaking of a chemical bond?
(A)
(B)
(C)
(D)
Energy is released.
Energy is required.
There is no energy change.
The process is exothermic.
Gr) r)N Tr) TIJE r\TE\a'r DA r.]E
Created by- An Angry Procrastinating Student.
-631.
Which of the following statements about
electrolysis is NOT correct?
(A)
(B)
35.
The elecftons leave the solution via
the positive electrode.
The electrons enter the solution via
the negative electrode.
(c)
(D)
32.
Decomposition of the electrolyte
at the electrode produces an
electric current.
Decomposition of the electrolyte at
the electrode is due to an electric
current.
36.
I.
(A)
(B)
(c)
(D)
They form solid chlorides.
They generally form basic oxides.
They conduct electricity only when
molten.
X
I and II only
I and III only
II and III only
I, II and III
(A)
eb(Nor)r(aq)/KI(aq)
(B)
FeSOo(aOAIaOH(aq)
(c)
CuSQ(aflArH3(aq)
(D)
Fer(SOo)rA.IH3(aq)
The ability of an atom to form a cation
increases
Which of the following statements are true
of metals?
u
III
Which ofthe followingpairs ofreagents will
result in the formation of yellow precipitate?
(A)
(B)
across a period
(c)
as electronegativity increases
as electropositivity increases
(D)
37
Which of the following is a list of ALL the
raw materials used in the extraction of iron?
(A)
(B)
(c)
(D)
oxidation state increases
Which of the following procedures can be
used to identiff ammonia gas?
(A)
(B)
(c)
(D)
33.
as the
Passing the gas through lime water
Placing a burning splint in a jar of
the gas
Placing a glowing splint in a jar of
the gas
Placing red and blue litmus paper
in a jar of the gas
Air, iron ore and limestone
Air, coke, cryolite and limestone
Air, coke, iron ore and limestone
Coke, iron ore, bauxite and
limestone
34.
Which of the following methods can beused
in the extraction of aluminium?
(A)
(B)
(c)
Reduction of the oxide by carbon
Reductionofthe oxide by hydrogen
Electrolysis of the oxide in the
molten state
(D)
Displacement by a metal higher up
the electrochemical series
GO ON TO THE NEXT PAGE
Created by- An Angry Procrastinating Student.
-7
-
Item 38 refers to the following sequence of reactions involving iron compounds, where I, II,
fV represent progressive stages in the sequence.
FeCO,
38.
-I--+re1OH;,
In which stage is the oxidation state of iron increased?
(A)
(B)
(c)
(D)
39
I , F"O II , FerO,
-J!-r"r(SO4)3
III and
I
II
u
ry
Which of the following aqueous solutions will produce a blue precipitate with aqueous sodium
hydroxide?
(A)
(B)
(c)
(D)
40.
Iron(II) niffate
Iron(III) nitrate
Coppe(II) nitrate
Aluminium nitrate
Potassium is a metal. From this information ONLY, it may be deduced that potassium
(A)
(B)
(C)
(D)
is soft
is very reactive
conductor
has a low melting point
is a good conductor of
good
electicity
GO ON TO THF. NF,XT PAGF
Created by- An Angry Procrastinating Student.
-8ltems 4l-{2 refer to the following table which shows the reaction of four metals, W X, Y and Z, with
water or steam. The table also shows the products formed when nitrates of each metal is heated-
Reection witb WrterlSter m
Products Formed \then Nltrrte is Heeted
w
No reaction
Metal, NO, and O,
X
Reacs with steam but not
with cold water
Oxide, NO, and O,
Y
Reacts rapidly with cold water
Nifiite and oxygen
Z
Reacts slowly with cold water
Oxide, NO, and O,
Metrl
41.
Which of the metals is likely to form a soluble hydroxide?
(A)
(B)
(c)
(D)
42.
Y
z
In which of the following pairs of metals is the first metal MOST likely to displace the second metal
from solution?
(A)
(B)
(c)
(D)
43.
w
x
x,Y
z,x
more
reactive
vsless
wx
Z,Y
Which of the following statemens about compounds in a homologots series is correct?
(A)
(B)
(c)
(D)
They
They
They
They
exist in the same state.
possess only carbon in straight chains
possess the same empirical formula.
difTer successively by a CH, grouP.
n.-r
nll
Tn
Tl rll rtf:a/T
nl
/-rf
Created by- An Angry Procrastinating Student.
-9Item 44 refers to the following
compound.
47
CH,
I
ILC
C
I
-
methane?
cHroH
(A)
(B)
CH,
Which TWO of the following
(D)
phrases
correctly describe the compound shown?
I.
il.
m.
IV.
Ammonia
Water
Hydrogen chloride
Nitrogen(IV) oxide
(c)
tcrr3
44.
Which of the following substances is a
product of a halogenation reaction with
48.
How many isomers of butane CoH,o
there?
An alcohol
A branched alkane
Reactive with sodium
Not reactive with acidified
are
Cutlio
(A)
I
(B)
2
(c)
3
(D)
4
potassium dichromate
(A)
(B)
I and III
I and IV
(c)
II and III
II and IV
(D)
45
49.
unsaturated hydrocarbon?
Which of the following molecules could be
obtained by cracking the alkane, C8Hr8?
I.
u.
u.
(A)
(B)
(c)
(D)
Which of the following substances is an
(A)
(B)
Vinegar
double bond
Propene
(c)
Ethanol
Natural gas
ie Alkene
(D)
CrHo
Items 50-52 referto the following substances.
cuH,o
c,uHro
(A)
(B)
(C)
(D)
I only
I and Il only
II and III only
I, II and III
In
46.
alkenes is
(c)
(D)
petroleum
natural gas
the earth's crust
the atmosphere
C,Hu
C,H,
CH3COOC2H5
answering Items 50-52, a particular
substance may be used more than once, once
or not at all.
The MAJOR natural source of alkanes and
(A)
(B)
C"H?OH
50.
Which of the substances is a saturated
hydrocarbon?
C
5l
Which of the substances is a compound that
is soluble in water?
52.
Which of the substances is a compound used
as a monomer in addition polymerization?
A
B
GO ON TO THE NEXT PAGE
Created by- An Angry Procrastinating Student.
- l053.
The functional group present in carboxylic
56.
acids is
Which of the following structures represents
a molecule of but-2-ene?
H
_c:o
(A)
I
(A)
H
lll
C:C-C-C-H
HH
ll
HH
OH
_c:o
I
(B)
HIIH
H
(B)
ll
H-C-Q:C-C-H
tllt
HHIIH
H
H
I
(c)
C_OH
(c)
I
I
H-C -
lt
C:C
I
H
H
\
H
H
H
(D)
I
(D)
H
-C_C-OH
ll
H-C:
I
H
H
H
f,:
C
I
H
H
I
H
I
H
54.
When a hydrocarbon molecule is cracked,
whichTWO smallermolecules areproduced?
I.
I
u.
IV.
(A)
(B)
(c)
(D)
55
An alkane
An alkene
An alcohol
An organic acid
I and II
I and IV
II and III
II and IV
57
Which ofthe following features isNOTtrue
of all homologous series of compounds?
The members of the series have
(A)
(B)
the same functional grouP
the same general formula
(c)
similar chemical ProPerties
the same empirical formula
(D)
With which ofthe following substances would
an alkane react?
(A)
(B)
(c)
(D)
Steam
Chlorine
Hydrogen
Chlorine and hYdrogen
GO ON TO THE NEXT PAGE
Created by- An Angry Procrastinating Student.
- 1l
Which TWO of the following substances
can be produced DIRECTLY from ethanol?
58
I.
II.
Sodium ethanoate
ry.
Ethyl ethanoate
(A)
I and II
I and [V
II and III
II and IV
(c)
(D)
60.
Which of the following compounds can
decolourize potassium manganate(Vll)?
(A)
Ethene
Ethane
m.
(B)
-
H
H
lt
H-C-C-H
tl
HH
HHH
Itr
rlt
HHH
H_C-C_C_H
are very closely packed together
have strong forces between them
get larger when heated
can move in any direction
HH
(D)
H-
ll
C
tl
Hl
-C-H
H_ C_H
I
H
END OF TEST
IF YOU FINISH BEFORE TIME IS CALLED, CHECK YOTIR WORI( ON THIS TEST.
01212010/F 2016
iealkenes
bond
HH
(B)
The particles in a gas
(A)
(B)
(C)
(D)
C
L-
(c)
59.
H
H
Created by- An Angry Procrastinating Student.
qb
TEST CODE
FOX{M TP 2017050
0121201,0
MAY/JT'NE 2017
CARIBBEAN EXAMINATIONS COUNCIL
CARIBBE,AN SECONDARY EDUCATION
CERTIFICATE@
EXAMINATION
CHEMISTRY
paper 0l _ Geneial proficiency
t
hour 15 minutes
09 JUNE 2017 (p.m.)
READ THE FOLLOWING INSTRUCTIONS
CAREFULLY.
1' This test consists of 60 items. You will have t hour and r 5
minutes to answer them.
2. I, addition to trris test bookret, you should rrave an answer
sheet.
3
4'
lTl]o'::,'ri:"".lii;::::lT'ofJliHffi:l'.tllliffit::l:.*o
(A), (B), (c),
(D)
Read each irem you
on your allswel'sheet, find the number which
conesponds-to your itern and shade
the satne letter as the answer
voiiluu. chosen- ro5[ ni trre sarnpre ite,r berow. the space having
Sarnple Item
The SI unit of length is the
(A)
(B)
(C)
(D)
5'
6
'
7.
8.
9'
metre
newton
Sample Ansrvel
ffi@@ @
second
kilogr.an-r
The best answer to this item is ,,n1etre,,
, so (A) has been shadecl.
If you want to cltange your allswel e'ase it
cornpletely befor.e you
whe,
flll in your new
yoLI are tolcl. to
choice.
begi,, turn the
ur,l wo,k as quickly and as careftilly
as yo, can. If you
cannot answel' an itettt, go or1 to the !T:
neit one. yori niay r.eturn to that itern
later.
You ruaSi do any r.ough wor.k in this
booklet.
Irigur-es are not necessarily ch.awn
to scale.
You rnay use a silent, rl.rl-pfogrammable
carculator.to answer items.
DO NOT TURN THIS PAGE UNTIL
Y OU ARE TOLD TO DO
..ia
Copyright O 2015 Caribbean Exan.rinations
Council
All rights reseruecl.
SO.
Created by- An Angry Procrastinating Student.
-2Wrich of the following
processes provide
evidence of the particulate nature of matter?
1
II.
Diffusion
Filtration
m
Osmosis
(A)
(B)
I and II only
I and III only
II and III only
I, II and III
I.
4.
An atom has 20 electrons. When it ionizes,
it has the same electronic configuration as
(A)
(B)
(c)
(D)
(c)
(D)
5.
'
neon
argon
sodium
calcium
Which of the following elements does
NOT fonn simple ions by gaining or losing
electrons?
Itern 2 refers to the following table which
gives the melting points and boilingpoints
of the clilorides of four elements.
(A)
(B)
(c)
(D)
Element
Melting Point
of
Chloride (K)
I
m
463
248
973
t693
IV
193
333
Ii
2
.,
Boiling Point
of
Chloride (K)
453
348
Wliicli ofthe elements fouus a chloride that
is ionic in natnre?
(A)
(B)
I
u
(c)
III
(D)
IV
Wliich of the following elements has 7
electlons in its outer shell?
(A)
(B)
(c)
(D)
Hydrogen
Oxygen
Nitrogen
Chlorine
Calbon
Copper
Calcium
Chlorine
Created
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it
by- An Angry Procrastinating Student.
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il
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6.
Some calcium carbonate was reacted with
excess dilute hydrochlor.ic acid. The volume
il
,'|l
7
ofcarbon dioxide evolvedwas recorded and
plotted againsttime. Which ofthe following
graphs represents
ii
,l
the
il
il
ii
(A)
il
Which ofthe following represents a balanced
equation for the reaction between aqueous
silvernihate and aqueous sodium chloride?
reaction?
(A)
*
E
o
il
(B)
N
1l
1!
Q
il
I
AgNor(ad + 2NaCt(aq)
AgClr(s)
ii
+
---'
NarNOr(ag)
6J
(C)
I
:l
o
rl
ii
(l
.il
i
.I
(D)
Time (min)
i
(B)
ii
AgrNO,(aQ) + NaCl(aq) ..+
AgrCl(s) + NaNOr(aQ)
AgNO,(aq) + NaCl(aq) -.+
AgCl(s) +NaNO,(aq)
(J
:i
at
:r
,.
Ag(I.iOr)r(aq) + 2NaCl(aq)
AgClr(s) + 2NaNOr(ag)
i
U
i
C)
8
o
(A)
(B)
:
;
(c)
:
Time (min)
(c)
Which of the following acids will
NOT
form an acid salt?
(D)
H3P04
H2CO3
I{2S04
cH3co2H
tr
q
d
o
9
U
o
o
Sodium reacts with water according
to the
equation
2Na(s) + 2Hro(/) --* 2NaOH(aq)
+ HzG).
o
I
(!
-o
H
Time (min)
i
(Molar volume of gas = 24
lihes at rtp)
The number of litres of hydrogen
(at rtp)
liberated when 0.1 rnole of
,"diil,;;;I;
with excess water is
(D)
()
N
o
U
o
o
(A)
(B)
o
1.2
2.4
Gl
(c)
12.0
F<
(D)
24.0
Time (min)
24 0.1
2
1 2
7.6
Created by- An Angry Procrastinating Student.
4
10
Which of the following oxides may show
both acidic and basic proPerties?
\4.
In which of the following substances will
elecffolysis NOT occur when an electrical
current is passed through it?
(A)
Iron(II) oxide
(B)
Sodiurn oxide
(A)
(c)
Calciurn oxide
Aluminium oxide
(B)
(D)
(c)
(D)
II
Amixture of copper(il) oxide and
copper(Il) sulfate is BEST separated by
15.
'
Sodium hydroxide solution
Molten sodium chloride
Solid sodium chloride
Dilute sulfuric acid
Which of the following are physical
properties of ionic substances?
(A)
(B)
(c)
(D)
distilling the mixture
heating the mixture and condensing
shaking with excess water and then
filtering
shaking with excess water followed
by fractional distillation
I.
il.
m.
High melting points
Soluble in organic solvents
Good conductors of electricity in
the liquid state
(A)
I and II only
I and III only
II and III only
I, II and III
(B)
12.
(A)
(B)
Silicon
(c)
Uranium
Altuninium
(D)
13.
(c)
Which of the following elements exhibits
allotropy?
Carbon
Which ofthe following statements
of an endothermic reaction?
(A)
(B)
(C)
(D)
(D)
16.
is
(A)
(B)
(C)
(D)
TRUE
Heat is given up to the
sumoundings.
Fleat is absorbed from the
surroundings.
The products have less energy
than the reactants.
The products have the same
energy as the reactants.
Which of the following substances, when
added to pure water', SIGNIFICANTLY
increases the water's conductivity?
17
ilr
.r..'1
Copper(Il) hydroxide
Sodium chloride
A separating funnel can be used to separate
a mixture of
(A)
(B)
(c)
(D)
j
Graphite
Iron(II) hydroxide
water and ethanol
water and kerosene
water and solid sodium chloride
kerosene and solid sodium chloride
it
Created
by- An Angry Procrastinating Student.
ll
lt
-5-
ll
il
lr
Itemp 18-19 refer to the following terms.
ti
il
li
(A)
(B)
(C)
(D)
il
ll
I
22.
Ionic crystals
Simple molecular
Macromolecular
Metallic
following procedures should be employed
in order to increase the rate ofthe reactiln?
I
In answering Items 18-19, each term may
llrl
tl
II.
be used once, more than once or not at all.
iII.
Whicli of the above tenns describes the
structure of sodium chloride?
(B)
il
iI
ii
18
ii
(A)
A
ii
ti
t9
ii
A piece of metal is reacted with an acid
to produce hydrogen gas. Which of the
(c)
(D)
Which of the above terms describes the
Increasing the temperature atwhich
the reaction is carried out
Subdividing the lump of metal
Reducing the concenffation of the
acid
I and II only
I and III only
II and III only
I, II and
III
strucfure of copper?
D
ii
20
ii
,t
ii
il
ii
ii
li
(c)
il
(D)
ii
(A)
(B)
(c)
acetic (ethanoic) acid, CHTCOTH
sodium cliloride, NaCl
slaked lime, Ca(OH),
limestone, CaCO,
(D)
24.
ii
,l
rl
,i
of
elech'ons
plotons
protons and neuh.ons
electrons and neutrons
Which of the following halogens
is a liquid
at room temperafure?
2t
Wliich TWO of the following statements
(A)
(B)
(C)
(D)
describe acid salts?
ii
I
rl
li
The atomic number of au element
is defined
as the number
The pH of fresh sugar cane juice, which
is
usually 5.0-5.5, can be changed to 7.5_g.0
for more efflcient processing by adding
(A)
(B)
ii
23
II
III
IV.
Their anions cannot dissociate to
give hydrogen ions.
They form a normal salt when all
replaceable hydrogen ofthe acid
is lemoved.
Their anions can dissociate to give
hydrogen ions.
They are not capable of generating
a
(A)
(B)
(c)
(D)
nomal salt.
I and III
I and IV
II and IiI
III and IV
25
Bromine
Fluorine
Chlorinesolid
Iodine
Which of the following statements
is TRUE
for the equation below?
Mg(s) + H2SO4(aq)
(A)
(B)
(c)
(D)
*
MgSOu(ad + H,1gy
Hydrogen is oxidized from 0 to +l
Hydrogen is reduced from +2
to 0.
Mg is oxidized fiorn 0 to +2.
Mg is reduced fi.om +2 to 0.
'"-ffifl
Gr) NT{ Tr\
.NLIE
\TTfV- 6
Created by- An Angry Procrastinating Student.
-6The element that is used to determine the
relative atomic mass of other elements is
26
(A)
(B)
(c)
Carbon-10
Carbon-12
Carbon-13
(D)
Carilon-14
30
Which of the following diagrams illustrates
the course of an exothermic reaction?
(A)
bo
q)
Reactants
H
Items 27-28 refer to the following table
showing various tests for gases.
Products
Reaction path
Test
(A) Danrp blue
litmus paper
(B)
Darnp red
litmus paper
Observation
(B)
Damp blue
litmus tums red
Acid
Damp red
Iitmus tums
blue
Base
(c) Glowing splint
Splint relights
(D) Lit splint
Splint
extinguishes
with a pop
bo
Products
q)
rd
Reactants
organ
Reaction path
(c)
Hydroy
In answering Iterns 27--28, each option may
be used orlce, rrore than once or not at all.
Reactants
27
Which test can be used to identifu an acidic
Reaction path
gas?
A
28.
Products
(D)
Which test can be used to identify ammonia
gas?
B
29
Reactants
Which of the following does NOT take
place during electrolysis?
(A)
(B)
(c)
(D)
Products
o!
Oxidation occurs at the anode.
Anions rnove towards the cathode.
Cations move towards the cathode.
Inert elech'odes do not react with
the product
a
r<
q)
frl
Reaction path
Created by- An Angry Procrastinating Student.
-7 -
31.
An atom with atomic structure
l],f, contains
(A)
(B)
14 protons, 13 neutrons
13 protons, 27 neutrons
13 protons, 14 neutrons
(c)
(D)
27 protons, 13 neuhons
Item 32 refers to the following graph
which shows the boiling points of some
straight-chain arcohors.
Boiling
points (oC)
250
200
1s0
100
50
72
34
56
7
Number of carbon atoms in chain
32
33
Which of the following molecular
formulae represents the alcohol
whose boiling point is l g0
"C?
(A)
cH3(CHr)3oH
(B)
cH3(CHr)4oH
(c)
cH3(cHr)soH
(D)
cH3(ClI2)6oI{
To, which homologous series
does the
rollowlng strucnlre belong?
HH
_l_
"_l-i
(A)
(B)
(c)
(D)
nIlIan
89
rn /r ^^r-
,l
{\o-,
Carboxylic acids
Alkanes
Alkenes
Alcohols
34.
Which of the following is the
name of the
compound CH3CHTCHTCHTOH?
(A)
(B)
(c)
(D)
1-propanol
4-propanol
4-butanol
1-butanol
a
GO r1NI Tr\.NTTN \Yr\,-
Created by- An Angry Procrastinating Student.
-8Item 40 refers to the following equation'
Items 35-36 refer to the following
conversions of ethanol.
(A)
(B)
(C)
(D)
RCOOH(aq) +NaOH(aq)
cH;cHrOH
CH3CH2OH
--+ CH,CHO
* C#,
40.
CH;CHroH -+ 2Cor* 3Hro
describes the equation above?
(A)
(B)
(c)
41.
ganate(VII)A(MnOo?
(A)
(B)
A
Items 37-38 refer to the following equation'
Organic Acid + Alcohol
$
Ester
The forwarci reactiott is known
(A)
(B)
(c)
(D)
*
Water.
as
An organic substance, when reacted with
bromine water, decolourizes it immediately'
The substance is MOST likelY an
Which of the conversions above requires
rnan
42.
synthesis
hydrolysis
esteriflcation
polyrnerization
(c)
alcohol
alkane
alkene
(D)
ester
Glucose is converted to starch or cellulose
by
(A)
(B)
(c)
(D)
38.
dehydrogenation
oxidation and reduction
addition polymerization
condensation polyrnerization
The reverse reaction is known as
(A)
(B)
(c)
(D)
39.
Decornposition
Neutralization
Precipitation
Reduction
Which of the conversions above correctly
represents the dehydration of ethanol?
C
31
+Ito(f
Wrich of the following processes correctly
(D)
36
RCOONa(aq)
CI{3CH2OFI -+ CI{TCOOH
In answering Items 35-36, each
conversion may be used once, more than
once or not at all.
35
+
synthesis
hydrolysis
esterification
polymerization
43.
Cornpounds in a homologous series
(A)
exist in the same state
(B)
possess the same molecular
(c)
differ successively by a - CH, group
(D)
'Cracking'is the process ofbreaking down
(A)
large alkane rnolecules into
smaller alkene anct alkane
molecules
(B)
(c)
(D)
large alkane molecules into
srnaller alkane and hydrogen
molecules
complex sugar molecules into
sirnple sugar molecules
large polymer molecules into
polymer molecules
.,r.
"'u"tt
possess only carbon
chains
in
formula
straight
Created by- An Angry Procrastinating Student.
-944
Ethene reacts with hydrogen, chlorine and
hydlogen chloride. These reactions are all
examples of
(A)
(B)
(C)
(D)
48.
(A)
(B)
(C)
(D)
addition
substitution
condensation
polymerization
49.
4s.
Which of the following substances is NOT
a polymer?
(A)
(B)
Nylon
(c)
Fructose
(D)
Cellulose
.i
Soapless detergents are
all biodegradable
inorganic materials
not affected by hard water
A solution, when treated with sulfur dioxide
gas, becomes green. The solution
contains
potassium
(A)
(B)
Protein
made from fats
(c)
(D)
nitrate
sulfate
dichromate(VI)
manganate(VII)
l
!
i
i
46.
:
Which ofthe following methocls is used for
the extraction of aluminium?
(A)
Pl
(C)
(D)
50.
(A)
@)
(Cl
(D)
Electrolysis of its rnolten oxide
Elecrrolysis of its aqueous chloride
Iieduction of its oxide rri"e.;i."
Reductionofitsoxideusingiarbon
monoxide
51.
47
Whicli of the following statements about
sulfur are true?
I.
It is usecl in the vulcanization of
iI
It is used in the exh.action of iron
m.
(A)
(B)
(c)
(D)
calcium oxide
calcium chloride
anhydrous copper sulfate
concentrated sulfuric acid
When
copper(Il) carbonate is heated alone
in
a dry test fube, a gas is evolved
and a Utact<
residue is formed. This gas is expected
to
(A)
(B)
rubber.
(c)
fi'om iron ore.
It'is used in the manufacture of
explosives.
i and II only
I and III only
II and III only
I, II and IiI
A suitable drying agent for the laboratory
preparation of amrnonia gas is
(D)
hrm red litmus blue
lelight a glowing splint
decolourize acidified aqueous
potassium rnanganate(Vlf
^
form
a white precipitate with
aqueolrs calcium hydroxide
52.
An element that is
(A)
(B)
(c)
(D)
a nonmetal
is a solid at room temperature
can act as a reducing agent
fonns an acidic oxide
conducts ete,Jtricity
ffix
flf.\
/1\r
'Fr,r TryF
a'F*h
Created by- An Angry Procrastinating Student.
-1053
Which of the following observations is
Iikely when EXCESS aqueous ammonia
57.
is added to a solution of copper(Il) sulfate
and the mixture is shaken?
(A)
(B)
(c)
Green solution
Green precipitate
Deep blue solution
(D)
Light blue precipitate
(c)
(D)
(c)
Fe
(D)
Na
Which of the following observations is
expected when aqueous silver nihate is
(A)
(B)
(C)
(D)
Cu
In answering Items 54-55, aparticular metal
may be used once, more than once or not
at all.
54.
59
(c)
D
(D)
Which metal has an alioy which is used in
the manufacture of aitcraft?
60
A
50.
Wrich of the following reactions
likely to occur?
is
(A)
Mg(s) + Zn(NO,)r(aq) -+
Mg(btO,)r(aq) + Zn(s)
(B)
Cu(s) + ZAgNOT(aq)
Apungent gas is evolved.
A blue precipitate appearc.
A white precipitate appears.
A brown precipitate appears.
Which metal appears between copper and
aluminium in the reactivity series and is an
important component in haemoglobin?
(A)
(B)
Which metal reacts vigorously with water
to produce a sh'ongly alkaline solution?
55.
chlorofluorocarbons
lead compounds in exhaust fumes
carbondioxide and carbon monoxide
sulfur dioxide and sulfur trioxide
added to aqueous potassium chloride?
Items 54-55 refer to the following metals.
AI
rain'are
(A)
(B)
58.
(A)
(B)
The main substances responsible for 'acid
Lead
Iron
Zinc
Magnesium
Which of the following gases will give a
positive test with dry cobalt chloride paper?
LEAST
(A)
o2
(B)
H2
(c)
CO,
HrO
(D)
-+
Cu(Nor)r(aq) + 2Ag(s)
(c)
Fe(s) + cuQ.IO,)r(aO -+
Fe(NO,)r(aq) + Cu(s)
(D)
Pb(s) + Fe(NO,)r(aq) -+
PbQ.IOr)r(aq) + Fe(s)
END OF TEST
IF YOU FINISH BEFORE TIME IS CALLED, CHECK YOUR WORK ON THIS TEST.
Created by- An Angry Procrastinating Student.
Created by- An Angry Procrastinating Student.
Created by- An Angry Procrastinating Student.
I
Created by- An Angry Procrastinating Student.
C
B
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I
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X
x
x
Created by- An Angry Procrastinating Student.
A
C
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A
B
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Talchal
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B
D
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0
425 1.5
Created by- An Angry Procrastinating Student.
A
D
Created by- An Angry Procrastinating Student.
Created by- An Angry Procrastinating Student.
É
C
D
A
Created by- An Angry Procrastinating Student.
D
A
Created by- An Angry Procrastinating Student.
Created by- An Angry Procrastinating Student.
Cyits
Created by- An Angry Procrastinating Student.
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C
A
Created by- An Angry Procrastinating Student.
27
Is X
100 1060
100x ooo
60000
Created by- An Angry Procrastinating Student.
Created by- An Angry Procrastinating Student.
Created by- An Angry Procrastinating Student.
D
A
Created by- An Angry Procrastinating Student.
Created by- An Angry Procrastinating Student.