Question

Give two differences between a physical change and a chemical change.

Answer 1

Answer:

The difference between a physical reaction and a chemical reaction is composition. In a chemical reaction, there is a change in the composition of the substances in question; in a physical change there is a difference in the appearance, smell, or simple display of a sample of matter without a change in composition.

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Answer 2

Answer:

Difference between chemical change and physical change I will say you in easy manner chemical change cannot bring back the product or a substance again example: burning of paper

Physical change we can bring back the substance or product again

example: crushing of paper