1.

Which of the following non-metals conduct electricity?

2.

Which of the following alloys contain copper?

I. Brass
II. Bronze
III. Duralumin

3.

Aluminium is used for making high tension cables because it is

I. light.
II. highly conducting.
III. brittle.

4.

Which of the following metals is a liquid at room temperature?

5.

Which of the following non-metals conduct electricity?

6.

Carbon (IV) oxide is used to extinguish fires because it

7.

Which of the following alloys contain copper?

I. Brass
II. Bronze
III. Duralumin

8.

Aluminium is used for making high tension cables because it is

I. light.
II. highly conducting.
III. brittle.

9.

Which of the following metals is a liquid at room temperature?

10.

Plastics have become important substitutes for metals n manufacturing industries because of their

I. anti-rust properties.
II. relative cheapness.
III. ability to be moulded into shapes.

Which of the statements above are correct?

11.

Metals are normally used as electrical wires because they are

12.

Copper and silver are able to resist corrosion and are therefore suitable for making

13.

The bond formed between magnesium and chlorine is likely to be

I. hydrogen bond.

II. ionic bond.

III. covalent bond.