Question

explain physical and chemical change . give three example for each .

Answer 1

Changes in state or phase (melting, freezing, vaporization, condensation, sublimation) are physical changes.Examples of physical changes include crushing a can, melting an ice cube, and breaking a bottle. A chemical change makes a substance that wasn't there before.

Answer 2

examples are 

Physical: tearing of paper
Chemical: burning of paper

the explanation is given below