Question

write difference between physical change and chemical change​

Answer 1

Answer:

Physical change = A change which is reversible in nature and temporary in life

Answer 2

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physical change

1) No new substance is formed in a physical change.

2) A physical change is a temporary change

3) A physical change is easily reversible .

4) Very little heat ( or light ) energy is usually absorbed or given out in a physical change.

5) The mass of a substance does not alter in a physical change.

Chemical change

1) A new substance is formed in a chemical change .

2) A chemical change is a permanent change.

3) A chemical change is usually irreversible

4) A lot of heat ( or light) energy is absorbed or given out in a chemical change

5) The mass of a substance does alter in a chemical change.