Unit 1.1 Solids, liquids and gases
1-4 DDBD
5.
6.
7. (a)
(b)
(ii) increasing the temperature increases the volume/volume proportional to
temperature
Unit 1.2 Using the kinetic particle theory
1-4 BDCA
5.
6.
(C)
7. (a)
(b)
(c)
Unit 1.3 Heating and cooling curves6
1-2 DD
3.
(b)
（d）tick D-E
(e)
4.
Unit 1.4 Solvents, solutes and solutions
1-3 CDB
4. anhydrous---a substance which does not contain water of crystallization
hydrated---a substance which contains water of crystallization
solute---a substance which dissolves in a solvent
solvent---a substance which dissolves a solid, liquid or gas
5. (a) solute
(b) (i) anhydrous copper(II) sulfate
(ii) white, blue
(iii)
Unit 1.5 Diffusion
1-5 CCDDD 6-9 BCDC
10.
11.
Unit 2.1 Apparatus for measuring
1-5 CCDDD 6-8 BDC
9.
Unit 2.2 Paper Chromatography
1-5 CADDB
6.
7. (a) chromatography
(b)
Unit 2.3 Is that chemical pure?
1-6 BADCBB
7.
(b)
Unit 2.4 Separation and Purification
1-8 BDBBCCCD
9.
10.
Unit 2.5 More about separation and purification
1-6 DCADBD
7.
8.
9.
10. A-3 B-5 C-6 D-1 E-4 F-2
3.1 Inside the atom
1-6 BCCDDC
7.
8
(IV)
(V)
3.2 Isotopes
1-5 BABADD
7.
8. (a)
3.3 Electronic structure
1-5 DACAA 6-10 BBCAD
11.
12. 2,2
3.4 Elements, compounds and mixtures
1-4 ACCC
5. (a)
(iii)
(b)
6. (i) element (ii) compound (iii) mixture (iv) element
3.5 Metals and non-metals
1-5 ADCAC
6.
7. (a) iron (b) mercury (c) oxygen
Unit 4.1 Ions (1)
1-9 DCDBA CDAB
10.
11.
12. a. charged
b. protons and electrons-
13.
=
14.
Unit 4.1 Ionic bond (2)
1-7 CBACBCB
8.
9.
Unit 4.2 covalent bond (1) simple molecules
1-8 DABC BCDC
10.
GR,Y8V
11.
Unit 4.3 covalent bond (2): more complex molecules
1-3 BCA
Unit 4.4 Ionic or simple molecular?
1-9 AABCC AABC
10.
11.
12.
13.
14.
Unit 4.5 giant covalent structure
1-5 CDDAB
6.
7.
8.
9.
Unit 4.6 Bonding in metals
1-7 DDAA BCA
8. √√×√
9.
10.
Unit 5.1 Naming compounds
1. D
2.
3. (a) (i) calcium sulfate (ii) ammonium sulfate (iii) sodium nitrate
(iv) potassium bromide (v) iodide (vi) ammonium chloride
4.
Unit 5.2 Chemical formula
1-5 BDABA
6.
7. (a)
GaCl3
Ga2(SO4)3
Cr2(SO4)3
Ba(OH)2
(b) NO2
+
(c) NH4
PH4I
(d) Ca3(PO4)2
(e)
5.
ZnI2
BeCl2
ReCl3
Unit 5.3 Chemical Equations
1-8 ADCCD ABB
9. (a) 6 3
2
(e) (i) 2 2
(b) 2
(ii) 4 2
2 (c) 2 Br 2 (d) 6
(iii) 5 6
(iv) 2 2 (v) 2
3 (vi) 4
Unit 5.4 Ionic equations and state symbols
-
-
1. (a) Cl2(aq) + 2Br (aq) → Br2(aq) + 2Cl (aq)
2+
-
(b) Fe (aq) + 2OH (aq) → Fe(OH)2(s)
+
2+
(c) Mg(s) + 2H (aq) → Mg (aq) + H2(g)
+
-
(d) Ag (aq) + Br (aq) → AgBr(s)
2. equation, ions, precipitate, reaction, spectator
3. (a) 2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g)
(b) (i) AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3(aq)
+
-
(ii) Ag (aq) + Cl (aq) → AgCl(s)
2
Unit 6.1 Masses and molecules
1-3 CCD
4. (a)
(b)
(c)
(d)
(e)
5. (a) 331
(b)
23
(c) 3.01 × 10
Unit 6.2 Chemical calculations and the mole
1-9 DBCCC CDCB
10.
v
(c)
Unit 6.3 More Chemical calculations
1-8 CBDBC CBD
9.
mass of oxygen formed: 0.02 × 32 = 0.64 g
(b)
(c)
10.
Unit 6.4 Limiting reagent
1. C
2. (a)
(b)
Unit 6.5 Gas volume calculations
1-8 ADBBC CCB
9.
10.
Unit 6.6 Yield and purity
1-3 CCA
4.
5.
Unit 6.7 Empirical and molecular formula
1-4 ADDB
5.
6.
7.
Unit 6.8 Titrations
1-8 BBDCB AAA
9.
10.
11.
Unit 7.1 Conductors and insulators
1-6 ACBABC
7.
(b)
Unit 7.2 The products of electrolysis
1-5 ACCCD
6.
7.
(iii) platinum
8.
9.
Unit 7.3 Electrolysis of aqueous solution
1-2 B D
4. (a)
(b)
5.
Unit 7.4 Explaining electrolysis
1-8 CBACCDBA
9.
10.
11.
12.
Unit 7.5 Purifying copper
1-6 CADABD
7. (a)
(b)
8. (a)
(b)
Unit 7.6 Electroplating
1-7 ADDAD CA
8.
9.
Unit 7.7 Extracting aluminium
1-6 CDABDD
7. (i)
(ii)
(iii)
8.
（e）
(f)
Unit 8.1 Energy transfer in chemical reactions
1-5 DCCCA 6-11 CACCCA
12. Absorb heat/thermal energy from the surroundings
Release heat/thermal energy to the surroundings
Unit 8.2 Reactions pathway diagrams
1-5 ABACC
6.
(b)
(c)(i)
(ii)
Unit 8.3 Reactions pathway diagrams
1-8 CADBA ADA
9.
10.
Unit 8.4 Fuels and energy production
1-8 DDCBD CBC
9.
10.
Unit 8.5 Fuels cells
1-7 BCBDDCD
8.
Unit 9.1 Investigating rate of reaction
1-4 CDCB
7.
8.
9.
10. ttt
Unit 9.3 Interpreting data
1. C
2.
336s
3.
Unit 9.4 Surfaces and reaction rate
1-4 BDBA
5.
6.
7.
Unit 9.5 Concentration and rate of reaction
1-3 DAD
4.
5.
Unit 9.6 Concentration and rate of reaction
1-5 A D D B B
10.
11.
6-9 D A D A
Unit 10.2 Shifting the equilibrium
1-10 DCACD BBBBD
Unit 10.3 Redox reaction
1-5 DCBAC
6-9 CABC
Structured Questions
1.
(b)
(b)
(c)
(d)
2.
3.
Unit 10.4 More about redox reaction
1-6 BDAAAC
7. (i)
(ii)
(iii)
(iv)
(v)
Potassium manganate change from purple to colourless
2+
8. (a) (i) Fe → Fe
because it lose electrons
(ii) Fe
Unit 11.1 How acidic?
1-5 BADBD
6.
Unit 11.2 Properties of acids
1-5 BCBCD 6-11 DBDBBD
12.
13. (a)
(b)
(c) sodium sulfate (d) water
(e)
Unit 11.3 Bases
1-5 BAABA 6-9 CBAC
10.
(c)(iii) calcium chloride, water, carbon dioxide
Unit 11.4 More about acids and bases
1-5 CCDDD
6. (a)(i) proton donor
(b)(i)
(b)(ii)
7.
8.
Unit 11.5 Acid-base titrations
Unit 11.6 Oxides
1-5 CCCCB 6-10 BCBCA
11. (a)
(b)
(b)
(c)
12.
13.
Unit 12.1 Making salts from metals, bases or carbonates
1-6 DCBCC D
7. (a)
(b)
(c)
(d)
(e)
(f)
8.
9.
Unit 12.2 Making salts (2) titration
1. C
2.
3. (a) (i) burette (ii) neutralization (iii) indicator
4.
Unit 12.3 Making salts (3) precipitation
1-5 ADDAA 6-7 CC
8.
9.
10.
11.
Unit 12.4 What’s the gas?
1-5 AACCB 6-8 BBC
9.
10.
Unit 12.5 Testing for cations
1-5 DBCCA
6. (a)
(b)
(c)
(d)
Unit 12.6 Testing for anions
1-7 DCBDCAD
8.
9.
10.
Unit 13.1 The Periodic Table
1-5 BDBAC
6-10 BCACA
11.
12.
Unit 13.2 The Group I metals
Element
Li
Na
K
Rb
Cs
Name
Density
Trends down the group
Melting point Hardness
Reactivity
lithium
sodium
potassium
rubidium
caesium
Increase
down
the
group
decrease
down
the
group
softer
down
the
group
Increase
down
the
group
2-8 CDACAAB
9.
Unit 13.3 The Group VII elements
1.
elements
State
at r.t.p.
Colour Colour
at r.t.p. of gases
F2
gas
yellow
/
/
Cl2
gas
green
/
/
Br2
liquid
brown
orange
I2
solid
redbrown
black
purple
brown
2-6 CDACB 7-10 CCDB
11.
Colour of
aqueous
Trends down the group
colour Density Melting
Reactivi
point
ty
darker increase increase decreas
e
(c)(ii)
chlorine
bromine
iodine
aqueous
potassium
chloride
aqueous
potassium
bromide
aqueous
potassium
iodide
×
√
√
×
×
√
×
×
×
Unit 13.4 Group VII: the noble gases
1.
2-8 CDD DC
9.
DD
Unit 13.5 The transition metals
1.
Physical properties
1. shiny
2. Malleable/ductile
3. conduct electricity
4. high melting point
5. high density
2-9 ACBBCDAD
10. (a)
（c）
(d)
9.
Chemical properties
1. many transition elements and
transition element oxides are good
catalysts.
2. They are less reactive than metals
from other groups.
3. they have more than one oxidation
number in compounds.
(g) Copper
Unit 14.1 The metal reactivity series
1-5 AACDD 6-8 DCA
9.
(b) (i) Ca + 2H2O → Ca(OH)2 + H2
10. (a)
(b)
11.
Unit 14.2 Metal oxides and their reduction
1-7 CCCDDDC
8.
Unit 14.3 From metal compounds to metals
1-10 CBDCD DDAAA
11.
12.
Unit 14.4 More about metal reactivity
1-6 ACDACB
7.
8.
9.
Unit 15.1 Extracting iron
1-8 BBAD ADDA
9.
10.
11.
Unit 15.2 The rusting of iron
1-9 BCCCA DCDB
10.
(iii)
(c)
(ii)
(d)
(e)
11.
Unit 15.3 Alloys
1-10 BACBD ABDCD
11.
12.
(v)
Unit 15.4 Use of metals
1-15 CDBCA
16. (a)
(b)
17.
ADBCA
ABBBB
(iii)
(iv)
(v)
(vi)
Unit 16.1 Making ammonia
1-4 ACAB
1.
2.
Unit 16.2 Fertilisers
1-7 ACCCC BA
8.
Unit 16.3 Sulfuric acid
1-4 CDDA
1.
(iii)
(vii)
Unit 16.4 Acid rain
1-5 DACBB
6.
7.
8.
Unit 18.1 Petroleum
1-9 ADCCC ABDC
10.
11.
(vi)
(vii)
Unit 18.2 Cracking of hydrocarbons
1-7 CBDBC BB
8. (a) (i)
(ii)
(c)
(e)
Unit 18.3 Homologous series
1-13 BABBB CBBBC BCC
14.
(b)
15.
Unit 18.4 Alkanes
1-9 ACADB CACC
10.
(iv)
11.
(b)
12. (a)
Unit 18.5 Alkenes
1-11 BDDCD BBBAD B
12.
13.
(e) CH2
(f) C6H12
14.
15.
(b)
16.
Unit 18.6 Alcohols
1-16