Question

comparison between physical and chemical change not differentiate.​

Answer 1

Answer:

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

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●Physical Changes are those changes in which molecular composition of substance is not changing chemically but a new substance is formed.

Example- melting of wax.

●Chemical changes are those in which molecular composition of changed chemically like dissolving salt in water.

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