Question

state a differnce between 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.

Explanation:

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Answer 2

physical changes are the changes occurs due to physical activities and chemical changes occurs due to chemical activities example of physical changes are melting of ice or freezing of water and example of chemical changes are rusting of iron or burning of wood etc .

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