Chemistry Test Paper 18

Which of the following substances does not change its mass when heated?
A. Sodium chloride.
B. Copper turnings.
C. Magnesium ribbon.
D. Potassium chlorate.
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Which one of the following catalyst is most suitable for use during the manufacture of sulphuric acid by the Contact process?
A. Mangancse (IV) oxide.
B. Reduced iron.
C. Platinised asbestos.
D. Vanadium (V) oxide.
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The full symbol of an atom of an element X is . The charge on an ion of X is
A. 2+
B. 1+
C. 1-
D. 2-
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Which one of the following salts will not form a precipitate with lead (II) ions?
1. Sodium carbonate.
2. Calcuim nitrate.
3. Ammonium chloride.
4. Potassium sulphate.
Which one of the following molecular formulae is that of an alkene?
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Which of the following is / are formed when ammonia is passed over heated copper(II) oxide ?
1. A brown solid.
2. A reddish brown gas.
3. A colour-less liquid.
4. A black solid.
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Chemistry Test Paper 18

Multiple Choice Questions