1 The diagram shows the change of state of matter.
Which of the following is process X?
2 Aluminium oxide has both acidic and basic properties, therefore it is
A a base oxide
B an acid oxide
C a metalloid oxide
D an amphoteric oxide
3 The diagram shows the set-up of the apparatus for electrolysis.
Which of the following compounds could be used as an electrolyte?
C Ethyl ethanoate
D Ethanoic acid
4 Which of the folowing is true about acids?
A Acids react with metal to produce salt and water
B Acids react with alkali to produce salt and hydrogen gas
C Acids react with metal oxide to produce salt, water, and hydrogen gas
D Acids react with carbonate of metal to produce salt, water, and carbon dioxide
5 The diagram shows the crystalline structure of salt, NaCl.
Which of the following is not a characteristic of the crystal of NaCl?
A It has sharp corners
B It has flat surfaces
C It has an acute angle between the two adjacent surfaces
D It has straight edges between two adjacent surfaces
6 The following chemical equation shows the reaction of the Haber process.
Which of the following represent catalyst X, temperature Y and pressure Z?
Catalyst X Temperature Y/°C Pressure Z/atm
A Platinum 900 5
B Platinum 450 1
C Iron 900 450
D Iron 450 300
7 The body of the aeroplane shown in the figure below is made of alloy X.
What is alloy X?
8 The diagram shows porcelain pots.
What is the substance and major component used in the making of porcelain pots?
Substance Major component
A Glass Cupronickel
B ceramic Aluminium silicate
C polymer Silicone dioxide
D Alloy Iron(III) oxide
9 Kaolin is used to make porcelain. A substance is added to kaolin to harden it.
What is the substance?
C Sodium oxide
D Calcium carbonate
10 Which of the following substance can be used to differentiate ethane from ethene?
B Bromine water
C Dilute sulphuric acid
D Sodium hydroxide solutio
11. What are the products formed when ethanol burns completely in excess air?
A Water and carbon dioxide
B Water, carbon and carbon dioxide
C Water, carbon monoxide gas and carbon dioxide gas
D Water, carbon, carbon monoxide gas and carbon dioxide gas
12 The following chemical equation shows the conversion of ethanol to ethene.
Pieces of porcelain
C2H5OH(l) C2H4 + H2O
What is the name of the process shown by the above equation?
13 Perfume contains esters.
Which of the following is a property of an ester?
A Dissolves in water
B Low boiling point
C More dense than water
D Can conduct electricity
14 The rate of reaction for the decomposition of hydrogen peroxide decreases with time
A product of reaction decreases
B temperature of hydrogen peroxide decreases
C volume of hydrogen peroxide decreases
D concentration of hydrogen peroxide decreases
15 Which of the following is a redox reaction?
D Double decomposition
16 Which of the following neutralization reactions releases the least heat?
A Nitric acid and sodium hydroxide
B Sulphuric acid and potassium hydroxide
C Ethanoic acid and sodium hydroxide
D Hydrochloric acid and potassium hydroxide
17 Which of the following is the function of an analgesic?
A To calm down the emotion of the patient
B To treat asthma
C To relieve pain
D To destroy bacteria
18 The information shows a part of the structural formula of a soap molecule.
Which of the following is the name of that part?
19 The following equation represents a neutralization reaction.
Acid + Base → Salt + Water
Which pairs are reactants in neutralization reactions?
I Sulphuric acid + Sodium hydroxide
II Hydrochloric acid + Solid copper(II) oxide
III Sulphuric acid + Solid calcium carbonate
IV Hydrochloric acid + Potassium carbonate solution
A I and II only
B I and IV only
C II and III only
D III and IV only
20 Which of the following ions form a white precipitate that dissolves in excess sodium
A I and II only
B II and IV only
C I, II and III only
D I, III and IV only
21 The diagram shows the atomic symbol of element X.
Which of the following is true about the subatomic particles of element X?
A 11 23 2.8.1
B 11 23 18.104.22.168
C 23 11 2.8.1
D 23 11 22.214.171.124
22 The table shows the number of protons, electrons and neutrons of atoms Q and R.
Proton Electron Neutron
Q 11 11 12
R 12 12 12
Which of the following is true about atoms Q and R?
A R can form a diatomic molecule
B Q and R have the same chemical properties
C R reacts with Q to form an ionic compound
D Q reacts with water to release hydrogen
23 The table shows the relative atomic mass of elements Y and Z.
Which of the following is true about the atoms of elements Y and Z?
A The mass of one atom of Z is 16 g
B The number of protons in atom Y is 80
C 5 moles of Z have the same mass as 1 mole of Y
D The density of one atom of Y is 5 times that of an atom of Z
Element Relative Atomic Mass
24 The information shows the sub-atomic particles of atom W.
• Electron configuration 2.1
• Number of protons 3
• Number of neutrons 4
Which of the following diagrams shows an atom W?
25 The diagram shows the electron arrangement of a compound formed between atoms P
Which of the following statements is true about the compound?
A It is an ionic compound
B The compound is formed by covalent bonds
C The compound has a high boiling point
D The compound is formed by electron transfer
26 The diagram shows the set-up of the apparatus used to electroplate an iron key with
What is observed at the anode and cathode after 30 minutes?
A Brown deposits formed Copper foil becomes thicker
B Copper foil becomes thinner Brown deposits formed
C Brown deposits formed Gas bubbles released
D Copper foil becomes thinner Gas bubbles released
27 The diagram shows the electron shells in the substance formed between atoms of
hydrogen and Y.
What is the electron configuration of atom Y?
28 The figure shows the structural formula of pent-1-ene.
Which of the following are structural formulae and correct names for isomers of
A I and IV only
B II and III only
C I, II and IV only
D I, II, III and IV
29 The table shows the results of a reaction between halogen and halide solution to
determine the reactivity of the halogen.
Halide Chlorine Bromine Iodine
Potassium bromide Reaction occurs - No reaction
Potassium iodide Reaction occurs Reaction occurs -
The reactivity series of halogens in descending order is
A bromine, chlorine, iodine
B chlorine, bromine, iodine
C iodine, bromine, chlorine
D iodine, chlorine, bromine
30 An experiment is carried out to study the rate of reaction between marble and
hydrochloric acid to produce carbon dioxide gas.
Excess marble and 50.0 cm3 of
2 mol dm-3 hydrochloric acid
Excess marble and 100.0 cm3 of
1 mol dm-3 hydrochloric acid
Which of the following graphs represents the two experiments?
31 The diagram represents the structural formula of a carbon compound.
The compound is produced by the reaction between
A ethanol and propanoic acid
B ethanol and butanoic acid
C propanol and ethanoic acid
D butanol and ethanoic acid
32 Which of the following reactions shows that copper is oxidised?
A Reaction of zinc with copper(II) oxide
B Reaction of copper with silver nitrate solution
C Electrolysis of copper(II) sulphate solution by using carbon electrodes
D Chemical cell with copper and zinc electrodes in dilute sulphuric acid
33 The diagram shows the set-up of the apparatus for a displacement reaction.
What is observed after 10 minutes?
A Gas bubbles are released
B Brown deposits formed
C The solution turns blue
D The copper plate becomes thicker
34 The following equation shows the reaction between Ag+ and Cl- ions.
Ag+(aq) + Cl-1(aq) → AgCl(s) ΔH= -65 kJ mol-1
Which of the following is true about the above equation?
A Endothermic reaction occurs
B Heat is released to the surroundings
C The temperature of the product decreases
D 65 kJ of heat absorbed when 1 mole of silver chloride is formed
35 The table shows the heat of combustion of three alcohols.
Alcohol Heat of combustion/kJ mol-1
Which of the following factors increases the heat of combustion of alcohols?
A Size of molecules decreases
B Number of carbon atoms per molecule increases
C Number of oxygen atoms per molecule increases
D Number of hydrogen atoms per molecule decreases
36 The diagram shows an oil layer on a water surface. The volume of the oil layer is 0.001
cm3 and the surface area is 5 000 cm2.
Assuming that the oil layer is cylindrical, what is the thickness of the oil layer?
A 2.0 x 10-7 cm
B 5.0 x 10-6 cm
C 5.0 x 106 cm
D 2.0 x 107 cm
37 What is the number of molecules in 1 mole of ammonia, NH3?
Use the information that the Avogadro constant = 6.0 x 1023 mol-1.
A 1.5 x 1023 molecules
B 6.0 x 1023 molecules
C 1.2 x 1024 molecules
D 2.4 x 1024 molecules
38 A compound with formula X2CO3 relative formula mass of 138.
What is the relative atomic mass of X?
Use the information that the relative atomic mass of C = 12 and O = 16.
39 The diagram shows the set-up of the apparatus of a simple chemical cell.
What are metals X and Y?
Metal X Metal Y
A Aluminium Magnesium
B Lead Aluminium
C Aluminium Copper
D Lead Zinc
40 The equation shows the reaction between sulphuric acid and sodium hydroxide.
H2SO4 + 2NaOH → Na2SO4 + 2 H2O
What is the volume of 1.0 mol dm3 sodium hydroxide solution which can neutralize
25.0 cm3 of 1.0 mol dm-3 sulphuric acid?
A 12.5 cm3
B 25.0 cm3
C 50.0 cm3
D 75.0 cm3
41 The table shows the mass of elements M and O in an oxide, and the relative atomic
mass of elements M and O.
Element M O
Mass/g 5.6 2.4
Relative atomic mass 56 16
The empirical formula for oxide of M is
Which of the following substances A, B, C or D in the Periodic Table is suitable to be
used in the lamps?
43 The ionic formulae of elements X and Y are as follows:
The compound formed from the reaction of ions of elements X and Y has the formula
Which of the following ionic equations represents the reaction?
A X3+ + Y2- → X2Y3
B 2 X + 3 Y → X2Y3
C 2 X3+ + 3 Y2- → X2Y3
D 3 X3+ + 2 Y2- → X2Y3
A restaurant owner wants to use colourful
electric lamps to attract customers.
44 3.2 g of copper(II) oxide powder is reacted with excess dilute nitric acid.
What is the mass of copper(II) nitrate formed in the reaction?
Use the information that the relative atomic mass of N = 14, O = 16 and Cu = 64.
A 3.76 g
B 4.96 g
C 5.04 g
D 7.52 g
45 The reaction between hydrochloric acid and zinc produces hydrogen gas. The reaction
is complete in 50 seconds and the maximum volume of gas produced is 25 cm3.
What is the average rate of the reaction?
A 0.5 cm3 s-1
B 1.0 cm3 s-1
C 2.0 cm3 s-1
D 4.0 cm3 s-1
46 The table shows the mass of sulphur trioxide formed at different temperatures during
the Contact process.
Temperature/ °C 300 400 500 600
Mass of sulphur
350 200 120 100
Time taken 5 hours 2 hours 6 minutes 9 minutes
At what temperature is the production rate of sulphur trioxide the highest?
A 300 °C
B 400 °C
C 500 °C
D 600 °C
47 What is the oxidation number of manganese in the ion MnO4
48 Yogurt is prepared by adding 20.0 cm3 of lime juice into 200.0 cm3 of fresh milk. It is
found that the temperature of the yogurt increases by 2.0 °C.
What is the total amount of heat released?
Use the information that the specific heat capacity of yogurt = X J g-1 oC-1.
Assume that 1 cm3 of solution is equal to 1 gram of solution.
A 40X J
B 220X J
C 400X J
D 440X J
49 The following equation shows the combustion of heptane, C7H16, in excess oxgen
C7H16(l) + 11 o2(g) → 7 CO2(g) + 8 H2O ΔH = -5 512 kJ mol-1
The combustion of heptane in excess oxygen releases 1 378 kJ of energy.
What is the mass of heptane used?
Use the information that the relative atomic mass of H = 1 and C = 12.
A 25.0 g
B. 36.0 g
C 77.0 g
D 88.0 g
50 The table shows information about three simple cells.
difference / V
Metal at negative
X and copper 0.45 X
Y and copper 1.30 Y
Z and copper 0.56 Cu
What is the potential difference of the pair of metals Y and Z?