Question

Write two differences between physical and chemical changes.

Answer 1

Answer:

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Answer 2

Answer:

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.