Question

mention any two different between physical and chemical changes​

Answer 1

Answer:

Difference between physical and chemical changes​

Explanation:

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

Answer 2

Explanation:

Physical Change:

•When a substance undergoes a physical change, its composition remains the same despite its molecules being rearranged.

•Physical change is a temporary change.

Chemical Change:

•When a substance undergoes a chemical change, its molecular composition is changed entirely. Thus, chemical changes involve the formation of new substances.

•A chemical change is a permanent change.

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