Question

5) State two important use of the following metal.

(i) Lead

Answer 1

• Lead is a very heavy metal having a silver-grey coloration and turns grey when exposed to air.

Uses

• Lead is used for covering tin roofs in cold countries because lead is highly durable against all forms of weather as it is highly flexible due to its thermal expansion and contraction properties.
• Lead is used in the manufacture of sanitary pipes.