Question

Write three differences between physical and chemical change​

Answer 1

Answer:

Physical change is a temporary change whereas chemical change is a permanent change.

No new substance are formed in physical change whereas new substances are formed in chemical change .

Physical change is reversible whereas chemical change is irreversible.

Hope it helps.

Answer 2

Physical change :

1) physical change is temporary change.

2) A physical change involve very little to no absorption of energy.

3)A physical change affects change only physical properties i.e shape, size etc.

Chemical change :

1) A chemical change is permanent change.

2) chemical change both physical and chemical properties of the substance including its composition.

3) During a chemical reaction, absorption and evolution of energy take place.

Thank you!