Question

Question 6

What is fuel? Give two examples each of solid, liquid, and gaseous fuels.

Answer 1

Fuel is a substance that produces heat and light on burning. Depending upon the state of existence at room temperature, fuels can be mainly classified into three types:

(i) Solid fuels: Examples: wood and coal.

(ii) Liquid fuels: Examples: kerosene and petrol.

(iii) Gaseous fuels: Examples: petroleum gas and natural gas.