Give two examples each for a solid, liquid and gaseous fuel along with some important uses.

The examples of each solid, liquid and gaseous fuel are given as:

1) Solid Fuel: Coal, Wood - They are used for cooking purposes. Coal is also used in industries sometimes.

2) Liquid Fuel: Kerosene, Petrol – They are used as fuels in automobiles. Kerosene is also used in lamps.

3) Gas fuel: CNG, LPG – LPG is used as a fuel for industries.