Question

Write ‘True’ or ‘False’ in front of following statements.

1. Stainless steel is used for making power transmission wires.

2. Brass is an alloy of copper and zinc and has lustrous yellow color.

3. Graphite is used in making filaments of electric bulb.

4. Magnesium is used in making light weight alloys of aluminium.

5. Non-metals are poor conductors of electricity.

Answer 1

1. False. 

Correct: Copper is used for making power transmission wires.

2. True.

3. False. 

Correct: Tungsten is used in making filaments of an electric bulb.

4.True.

5. True.