Q. 1.     State (a) two uses of kerosene, and (b) two uses of paraffin wax.

Answer

• (i) Kerosene is used as a fuel for jets

(ii) Kerosene is also used as fuel for airplanes

• (i) Paraffin wax is used to make candles and toys

(ii) Paraffin wax is also used as a coating to keep fruits and vegetables fresh.