Question

write four difference between physical and chemicsl change​

Answer 1

Chemical Change :

1. The change is irreversible
2. A new substance is formed
3. Change in colour ,odour and taste takes place
4. eg. burning of paper , rust of iron ,etc

Physical change

1. The change is reversible
2. No new substance is formed
3. No change of colour ,odour takes place
4. eg. Melting of iron, Boiling of water