Question

Explain about chemical energy and its uses.

Answer 1

Chemical energy:
Chemical energy is stored in substances when atoms join together to form chemical compounds. When two or more chemical substances react with each other, this energy is released.

Uses of chemical energy:

1. The food we eat contains chemical energy.
2. Chemical energy in wood provides heat energy which helps us to cook food.
3. Chemical energy in coal is used to generate electricity.
4. Batteries we use in our daily life contain chemical energy.
5. Fuels like petrol and diesel possess chemical energy which is used to run vehicles.