Chemical Energy

Q. While burning of wood, ________ energy is converted to _______ energy.

1. chemical, heat
2. chemical, mechanical
3. heat, mechanical
4. mechanical, chemical

Q.

Coal is a widely used energy resource. Which of the following energies is stored in coal?

1. Chemical energy

2. Light energy

3. Sound energy

4. Heat energy

Q.

Burning of wood is an example of conversion of

1. chemical energy to light and heat energy

2. mechanical energy to heat energy

3. heat energy to light energy

4. light energy to heat energy

Q. Coal cannot be converted into one of the following forms of energy. This is:

(a) coal gas
(b) electricity
(c) oil
(d) charcoal

Q.

A battery stores energy in the form of ___________.

1. electrical energy

2. heat energy

3. chemical energy

4. light energy