Question

Write any two differences between physical and chemical changes. Give one example of each.​

Answer 1

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.

Answer 2

Answer:

Physical change :no new substances is formed

Chemical change is always accompained by one or more substances.

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