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4541/1
Kimia
Kertas 1
Ogos
2007
1¼ jam
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BAHAGIAN SEKOLAH
KEMENTERIAN PELAJARAN MALAYSIA
______________________________________________
PEPERIKSAAN PERCUBAAN SPM 2007
KIMIA
Kertas 1
Satu jam lima belas minit
JANGAN BUKA KERTAS SOALAN INI HINGGA DIBERITAHU
1.
2.
3.
4.
5.
6.
7.
Kertas soalan ini mengandungi 50 soalan.
Jawab semua soalan
Jawab dengan menghitamkan ruangan yang betul pada kertas jawapan
Bagi setiap soalan hitamkan satu ruangan sahaja
Sekiranya anda hendak menukar jawapan, padamkan tanda yang telah dibuat.
Kemudian hitamkan jawapan yang baru.
Rajah yang mengiringi soalan tidak dilukiskan mengikut skala.
Anda dibenarkan menggunakan kalkulator saintifik yang tidak boleh
diprogramkan.
Kertas soalan ini mengandungi 19 halaman bercetak
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Which of the following processes, proved the kinetic theory of matter?
A
B
C
D
2
proton number
nucleon number
relative atomic mass
relative molecular mass
Which of the following substances is a covalent compound?
A
B
C
D
5
NH4SO4
(NH4)2SO4
(NH3)2SO4
(NH4)3(SO4)2
Elements in the Periodic Table are arranged according to an increase in
A
B
C
D
4
Diffusion
Photosynthesis
Respiration
Neutralization
Which of the following is a chemical formula of ammonium sulphate?
A
B
C
D
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Copper
Ammonia
Lead(II) oxide
Sodium chloride
Which of the following substances is an electrolyte?
A
B
C
D
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Hydrogen chloride in methyl benzene
Molten aluminium oxide
Glucose solution
Copper(II) carbonate powder
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Which of the following statements is true about alkali?
A
B
C
D
7
Weak alkali is an alkali that undergoes high rate of ionization.
Strong alkali has low pH value
Alkalis are bases that are soluble in water.
Alkalis are not corrosive
Which of the following is a soluble salt?
A
B
C
D
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Lead(II) iodide
Copper(II) carbonate
Barium sulphate
Sodium hypochlorite
The body of the car shown in the diagram below is made of alloy T.
Alloy T
What is alloy T?
A
B
C
D
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Steel
Brass
Bronze
Duralumin
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Which of the homologous series is correctly paired to its functional group?
Homologous series
10
A
Ester
B
Alkene
C
Alcohol
D
Carboxylic acid
Functional groups
Which of the following statements correctly explains the meaning of effective collision?
A
B
C
D
11
The collision which takes place before reaction.
The collision where its energy is less than the activation energy.
The collision that can causes reaction.
The collision that has the highest energy.



Bromine water
Acidified potassium manganate(VII)
Acidified potassium dichromate(VI)
Which of the following is true about the substances?
A
B
C
D
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Reducing agent
Oxidising agent
Dehydration agent
Hydration agent
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Which of the following processes occurs when ice changes to water ?
A
B
C
D
13
Endothermic
Exothermic
Neutralization
Freezing
Paracetamol is used for
A
B
C
D
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reducing pain
reducing anxiety
destroying of bacteria
controlling the level of glucose in blood
The diagram below shows the molecular formula of glucose.
C6H12O6
What is the empirical formula for glucose?
A
B
C
D
15
CH2O
CH2O2
C2H4O2
C6H12O6
7
Which of the following is the atomic structure of lithium atom, 3Li ?
A
B
3p
3p
C
D
4p
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4p
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The figure shows three elements in Period 3 of the Periodic Table.
X
Y
Z
Which of the following is true about the properties of oxide formed?
A
B
C
D
17
Which of the following substances is made up of ions?
A
B
C
D
18
Sulphur
Naphthalene
Sulphur trioxide
Potassium chloride
Which of the following ions are present in copper(II) sulphate solution?
A
B
C
D
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The oxide of Z is basic
The oxide of Y is acidic
The formula of oxide Y is YO
The oxide of X reacts with an acid to form salt and water
Hydrogen ions and hydroxide ions
Copper(II) ions and sulphate ions
Copper(II) ions ,hydrogen ions, suphide ions and oxide ions
Copper(II) ions, hydrogen ions, sulphate ions and hydroxide ions
Dry hydrogen chloride gas is passed through methyl benzene for a few minutes. Which
of the following statements is true about the liquid produced?
I
II
III
IV
it has a pH value of less than 7
it consists of hydrogen chloride molecules
it changes blue litmus to red
it does not conduct electric current
A
B
C
D
I and III only
II and IV only
I, II and III only
IV only
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The diagram shows part of a polymer molecule
CH3 H CH3 H
CH3 H
C
C
C
C
C
C
H
H
H
H
H
H
Which is its monomer?
A
B
C
D
Nitric acid will change to nitrate salt when hydrogen ions are replaced by
I
II
III
IV
copper ion
hydroxide ion
carbonate ion
ammonium ion
A
B
C
D
I and II only
I and IV only
II and IV only
I, III and IV only
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The graph shows the volume of carbon dioxide gas produced against time for the
reaction of calcium carbonate and sulphuric acid.
Volume of CO2
gas / cm3
Time / second
The gradient of the graph decreases with time because
A
B
C
D
23
catalyst is not used
volume of mixture decreases
temperature of reaction decreases
concentration of sulphuric acid decreases
The equation below shows a chemical reaction.
Based on the equation given, name the reaction.
A
B
C
D
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Hydrogenation
Polymerization
Halogenation
Substitution
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The diagram below shows the electrolysis process of copper(II) sulphate solution using
copper as an electrode.
Copper
Copper(II) sulphate
solution
Which of the following substances are oxidized and reduced in this cell?
A
B
C
D
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Oxidised
Reduced
Hydroxide ion
Hydroxide ion
Copper atom
Copper atom
Copper(II) ion
Copper atom
Copper(II) ion
Hydrogen ion
The reaction between nitrogen and oxygen can be represented by the following equation:
N2 (g) + O2(g) 
2NO(g)
H = +181 kJ
Which of the following energy level diagrams represent the above reaction?
A
B
Energy
N2 (g) + O2(g)
Energy
2NO(g)
H = +181 kJ
H = +181 kJ
2NO(g)
C
N2 (g) + O2(g)
D
Energy
Energy
2NO(g)
N2 (g) + O2(g)
H = +181 kJ
H = +181 kJ
N2 (g) + O2(g)
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2NO(g)
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The diagram shows a label on a bottle of orange juice.
SUKARAMAI ORANGE JUICE
Ingredients:
water, sugar, X , sulphur dioxide, aspartame,
vitamin A and D
X is one of the important ingredients to make orange juice last longer.
What is X?
A
B
C
D
27
Sodium nitrite
Sodium nitrate
Ascorbic acid
Benzoic acid
The figure shows the arrangement of particles of a substance that undergoes the change
of state through process X
What is process X ?
A
B
C
D
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Melting
Boiling
Freezing
Sublimation
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The equation below shows the reaction between sulphuric acid and sodium hydroxide
solution.
H2SO4 + 2KOH
K2SO4 + 2H2O
What is the number of moles of sodium sulphate salt produced if 0.2 mol of sodium
hydroxide is used?
A
B
C
D
29
0.10 mol
0.05 mol
0.22 mol
0.25 mol
The table shows the electron arrangements of atoms of four elements.
Element
Electron
arrangement
F
Al
Cl
K
2.7
2.8.3
2.8.7
2.8.8.1
Which of the following is the correct arrangement of the elements according to
increasing order of electronegativity?
A
B
C
D
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F, Al, Cl, K
F, Cl, Al, K
K, Cl, Al, F
K, Al, Cl, F
The number of valence electrons of atoms X and Y are 2 and 7 respectively.
Which of the following chemical formulae and types of bonding are true for the
compound formed between X and Y?
A
B
C
D
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Chemical Formula
XY2
XY2
X2Y
X2Y
Type of Bonding
ionic
covalent
ionic
covalent
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The diagram below shows the set-up of the apparatus for electrolysis of concentrated
solution of sodium chloride
What is the product formed at the anode and cathode?
A
B
C
D
32
Anode
O2
Cl2
Cl2
O2
Cathode
H2
H2
Na
Cl2
The diagram below shows 5 steps for preparing a standard solution of sodium hydroxide,
NaOH but not in correct order.
P- Transfer the solid sodium hydroxide into volume into the volumetric flask.
Q- Weigh the mass of sodium hydroxide
R- Add distilled water until the graduation mark.
S- Rinse the weighing bottle and pour the solution into the volumetric flask.
T- Shake the volumetric flask.
Which of the following steps is correct?
A
B
C
D
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Q, S, P, R, T
R, Q, S, P, T
Q, P, S, R, T
R, Q, S, T, P
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The diagram below shows the test tubes containing lead(II) nitrate solution and
potassium carbonate solution but without a label. Which of the following solutions can
be used to distinguish both solutions?
Potassium carbonate
solution
34
I
II
III
IV
Sodium nitrate
Sodium iodide
Dilute nitric acid
Potassium sulphate
A
B
C
D
I and II only
II and IV only
II, III and IV only
I, II, III and IV
Lead(II) nitrate
solution
Which of the following is the alcohol produced from the alkaline hydrolysis of oil?
A
B
C
D
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Ethane-1,2-diol
Glycerol
Cyclohexanol
Buthane-2-ol
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Volume of H2 gas / cm3
40
36
30
20
18
10
0
60
120
180
240
300
time / s
A group of students carried out an experiment to determine the rate of reaction of zinc
metal with dilute hydrochloric acid. The diagram above shows the graph for the total
volume of gas collected against time. The average rate of reaction for the whole
experiment is :
A
B
C
D
36
When a mixture of 2-butanol, CH3CHOHCH2CH3 and concentrated sulphuric acid is
heated, gas X is produced. Which of the following is the molecular structure of X?
A
B
C
D
37
0.3 cm3/s
0.25 cm3/s
0.17 cm3/s
0.13 cm3/s
CH3CH=CHCH3
CH3CH=C(CH3)2
(CH3)2CHCH=CH2
CH3CH2CH=CH2
The diagram below shows the changes of the sulphur in Contact Process.
S
SO2
SO3
H2S2O7
Which of the following are the correct changes in the oxidation state of sulphur?
A
B
C
D
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0
0
1
1
+4
+4
+3
+4
+6
+6
+6
+6
+6
+7
+8
+6
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The following equation shows the formation of water
H2(g) + ½ O2(g) → H2O(l) , ∆H = ─ 287 kJmolˉ¹
Which of the following is true regarding the above equation?
A
B
C
D
39
Activation energy for the reaction is high
If 1 mole of oxygen reacts 574 kJ of heat energy is absorbed
Combustion of 1 mole of hydrogen releases 287 kJ of heat energy
1 mole of water that is formed in the reaction received 287 kJ heat energy
A patient claims he always heard someone says something to him but he
didn’t see anybody around him during the situation.
Which of the following medicines is most appropriate in treating the above symptoms or
disorders?
A
B
C
D
Chlorpromazine
Amphetamine
Tranquilisers
Barbiturates
40
Which of the following isotopes is used to detect leakage in a gas pipe.
.
Carbon – 14
A
Cobalt – 60
B
Sodium – 24
C
Iodine - 131
D
41
34 g of ammonia consists of
[Relative molecular mass of ammonia = 17, Avogadro constant = 6.02 x 10 23 mol-1]
I
2 mole of nitrogen atoms
II
2 mole of ammonia molecules
III
1.204 X 1024 molecules
IV
5 mole of hidrogen atoms
A
B
C
D
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I and II only
I, II and III only
II, III and Iv only
I, II, III and IV only
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Profesional cyclists usually fill their bicycle tyres with gas X which makes the bicycle
lighter.
X
Y
W
Z
Which of the following elements X, Y, W and Z in the Periodic Table is suitable to be
used in bicycle tyres?
A
B
C
D
43
X
Y
W
Z
The diagram below shows the symbols of atoms D and E
27
16
D
13
E
8
Atom D reacts with atom E to form a compound. Calculate the relative molecular mass
for the compound formed.
A
B
C
D
44
21
43
102
113
Calculate the volume of sodium hydroxide of concentration 0.5 mol dm-3 needed to
neutralize 25.0 cm3 sulphuric acid of concentration 0.20 mol dm-3.
A
B
C
D
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10 cm3
20 cm3
25 cm3
50 cm3
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The table below shows the potential difference of three simple voltaic cells.
Cell
Pair of metal
I
II
III
Mg and Cu
Mg and Zn
Zn and Fe
Potential
difference(V)
3.0
1.5
0.5
Negative
terminal
Mg
Mg
Zn
What is the potential difference of a simple voltaic cell for pair of iron and copper ?
A
B
C
D
46
200 cm3 of 0.1 mol dm-3 sodium chloride solution reacts completely with excess silver
nitrate. Calculate the mass of precipitate produced.
[Relative atomic mass of: Ag, 108; Cl, 35.5]
A
B
C
D
47
0.5 V
1.0 V
1.5 V
2.5 V
2.78 g
2.87 g
3.78 g
3.87 g
The uses of substance X;



To clean metals.
To produce detergents.
To make paints.
What is substances X?
A
B
C
D
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Nitric acid
Sulphuric acid
Ammonia
Ammonium sulphate
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Graph represents the decomposition of 25 cm3 hydrogen peroxide of 0.5 mol dm-3 with
manganese(IV) oxide as a catalyst at a temperature of 30oC.
Which of the following experiments will produce graph II ?
Volume of
hydrogen peroxide / cm3
A
B
C
D
49
15
15
40
40
Concentration of
hydrogen peroxide/
mol dm-3
0.7
0.5
0.7
0.5
Temperature of
hydrogen peroxide / oC
30
30
30
20
Which of the following equations represents a redox reaction?
A
B
C
D
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Pb(NO3)2(aq) + CuSO4(aq)
PbSO4(s) + Cu(NO3)2(aq)
CH3COOH(aq) + NaOH(aq)
CH3COOH(aq) + H2O(l)
Mg(s) + CuSO4(aq)
MgSO4(aq) + Cu(s)
C2H4(g) + 3O2(g)
2CO2(g) + 2H2O(l)
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The diagram below shows the molecular formulae of two compounds A and B.
Substance X is formed when both compounds react with each other.
Compound B,
C2H5COOH
Compound A,
C2H5OH
Substance X
Which of the following set represents substance X?
Structural formula
A
H O
O
H C C
H
Name
H
H
H
C
C
C
H
H H
Ethyl propanoate
H
B
C
H
H
O
H C
C
C
H
H
H O
H C C
O
H
D
H
H
O
H C
C
C
H
H
H
H
C
C
H
H
H
H
H
C
C
C H
H
H H
O
O
H
H
C
C
H
H
H
Ethyl propanoate
Propyl propanoate
H
Propyl propanoate
END OF QUESTION PAPER
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