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WorksheetsIGCSE Chemistry MC Quiz 2
Total questions: 20
Worksheet time: 10mins
1. The diagrams show the arrangement of particles in three different physical states of substance X.
Which statement about the physical states of substance X is correct?
A. Particles in state 1 vibrate about fixed positions.
B. State 1 changes to state 2 by diffusion.
C. State 2 changes directly to state 3 by condensation.
D. The substance in state 3 has a fixed volume.
2. What is always true for a pure substance?
A. It always boils at 100 °C.
B. It contains only one type of atom.
C. It has a sharp melting point.
D. It is solid at room temperature.
3. Element Y has a mass number of 19 and a proton number of 9. Which group in the Periodic Table does it belong to?
A. I
B. III
C. VII
D. VIII
4. The nucleon number and proton number of the lithium atom are shown by the symbol 37Li . What is the correct symbol for the lithium ion in lithium chloride?
A. 26Li−
B. 36Li+
C. 37Li+
D. 37Li−
5. The table shows the structure of different atoms and ions. What are the values of W, X, Y and Z?
A. W = 10, X = 10, Y = 9, Z = 9
B. W = 10, X = 12, Y = 10, Z = 9
C. W = 12, X = 10, Y = 9, Z = 10
D. W = 12, X = 12, Y = 10, Z = 10
6. The diagram shows the structure of an atom.
Which diagram shows the structure of an isotope of this atom?
7. Which two elements react together to form an ionic compound?
A. R and T
B. T and X
C. X and Z
D. Z and R
8. Which diagram does not show the outermost shell electrons in the molecule correctly?
9. The chemical formulae of two substances, W and X, are given.
W: NaAlSi3O8
X: CaAl2Si2O8
Which statements are correct?
(1) W and X contain the same amount of oxygen.
(2) W contains three times as much silicon as X.
(3) X contains twice as much aluminium as W.
A. (1) and (2) only
B. (1) and (3) only
C. (2) and (3) only
D. (1), (2) and (3)
10. The apparatus shown can be used to measure the rate of some chemical reactions.
For which two reactions would this apparatus be suitable?
(1) AgNO3 (aq) + HCl (aq) -> AgCl (s) + HNO3 (aq)
(2) 2H2O2 (aq) -> 2H2O (l) + O2 (g)
(3) MgO (s) + 2HCl (aq) -> MgCl2 (aq) + H2O (l)
(4) ZnCO3 (s) + 2HCl (aq) -> ZnCl2 (aq) + CO2 (g) + H2O (l)
A. (1) and (2) only
B. (1) and (3) only
C. (2) and (4) only
D. (3) and (4) only
11. The red colour in some pottery glazes may be formed as a result of the reactions shown.
CuCO3 -> CuO + CO2 (upon heating)
CuO + SnO -> Cu + SnO2 (upon heating)
These equations show that (1) is oxidised and (2) is reduced.
Which substances correctly complete gaps 1 and 2 in the above sentence?
A. (1) CO2, (2) SnO2
B. (1) CuCO3, (2) CuO
C. (1) CuO, (2) SnO
D. (1) SnO, (2) CuO
12. Carbon dioxide gas reacts with aqueous sodium hydroxide. Which type of reaction takes place?
A. decomposition
B. fermentation
C. neutralisation
D. oxidation
13. An aqueous solution of the organic compound methylamine has a pH greater than 7? Which statement about methylamine is correct?
A. It neutralises an aqueous solution of sodium hydroxide.
B. It reacts with copper (II) carbonate to give carbon dioxide.
C. It reacts with hydrochloric acid to form a salt.
D. It turns blue litmus paper red.
14. A solution contains barium ions, silver ions and one type of anion. What could the anion be?
A. chloride only
B. nitrate only
C. sulphate only
D. chloride or nitrate or sulphate
15. Astatine is an element in Group VII of the Periodic Table. It has only ever been produced in very small amounts. What are the likely properties of astatine?
A. colour: black, state: solid, reaction with KI (aq): no reaction
B. colour: dark brown, state: gas, reaction with KI (aq): brown colour
C. colour: green, state: solid, reaction with KI (aq): no reaction
D. colour: yellow, state: liquid, reaction with KI (aq): brown colour
16. X is a monoatomic gas. Which statement about gas X is correct?
A. X burns in air.
B. X is coloured.
C. X is unreactive.
D. X will displace iodine from potassium iodide.
17. Aluminium is an important metal with many uses. Which set of properties help to explain the use of aluminium for cooking and storing food?
(1) It is a good conductor of heat.
(2) It has a low density.
(3) It has an oxide layer that prevents corrosion.
A. (1) only
B. (1) and (2) only
C. (2) and (3) only
D. (1), (2) and (3)
18. Which diagram could represent the structure of an alloy?
19. The table shows the results of adding three metals, P, Q and R, to dilute hydrochloric acid and to water. Which of the following shows the order of reactivity in descending order?
A. P, R, Q
B. P, Q, R
C. R, Q, P
D. R, P, Q
20. Compound X is heated with carbon using the apparatus shown. A brown solid is formed in the reaction tube and the limewater turns milky. What is compound X?
A. calcium oxide
B. copper (II) oxide
C. magnesium oxide
D. sodium oxide
