Question

difference between physical and chemical change.

Answer 1

Physical changes:
1)physical changes are those changes which occurs physically
2)it can be easily broken by applying force
Chemical changes:
1) Chemical change are those changes which occurs chemically
2) Chemical change cannot be broken easily

Answer 2

1.The chemical composition of a substance does not change in Physical change.
The chemical composition of a substance does change in Chemical Change.

2.Most changes are reversible in Physical change.
Most changes are irreversible. in Chemical Change.

3.No new substances are formed in Physical Change. For example,
Ice → Water → Steam
New substances are formed in Chemical Change.For example,
Paper → Ashes