Question

1) Burning of petrol is an example of exothermic change Single choice.

True

False

2) Formation of fossil fuels is an example of artificial changes Single choice.

True

False

3) Rotation and revolution of earth are known as periodic changes Single choice.

True

False

4) Photosynthesis is an example of endothermic changes Single choice.

True

False​

Answer 1

1) True
2) False
3) True
4) True