Question

what is the difference between physical and chemistry 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:

1 physical change is temporary change .

chemical change is a permanent change.

2 physical change is reversible.

chemical change is not reversible.

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