write difference between physical and chemical change
The differences between physical and chemical changes are as follows
Physical Change | Chemical Change |
1. The chemical composition of a substance does not change. | 1. The chemical composition of a substance changes. |
2. Most changes are reversible. | 2. Most changes are irreversible. |
3. No new substances are formed. For example, Ice → Water → Steam | 3. New substances are formed.For example, Paper → Ashes |