Question

1. A brittle metal is

a) Aluminium b) Zinc c) Mercury d) Sodium

2. A liquid non-metal is

a) Phosphorus b) Iodine c) Bromine d) Sulphur

3. Amalgam is an alloy of metal with

a) Aluminium b) Zinc c) Mercury d) Sodium

4. A bleaching agent is

a) Charcoal b) Sulphur c) Chlorine d) Coal

5. The substances which are formed as a result of chemical change are called

a) Products b) Reactants c) Valency d) None of these

6. The nature of rust is

a) Acidic b) Basic c) Neutral d) None of these

7. Which of the following exhibit variable valency?

a) Chlorine b) Copper c) Carbon d) Calcium

8. The chemical formula of Ferric Oxide is

a) Fe3O4 b)FeO c) Fe3O2 d) Fe2O3

9. The vertical columns in a periodic table are called

a) Groups b) Periods c) Sub-groups d) Rows

10.A substance which sublime is

a) Sodium Chloride b) Sugar c) Camphor d) Aluminium Oxide​

Answer 1

1. Mercury

2. Bromine

3. Mercury

4. Chlorine

5. Reactants

6. Basic

7. Copper

8. Fe3O4

9. Groups

10. Sodium chloride

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