Question

what do you mean by chemical and physical change in a reaction?
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Answer 1

Physical change :- No new substance is formed.

Chemical change :- New substance is formed.

Example :- Burning of candle is both a physical and chemical change.

Answer 2

Explanation:

a chemical change results from a chemical reaction, while a physical change is when matter changes forms but not chemical identity. Examples of chemical changes are burning, cooking, rusting, and rotting. Examples of physical changes are boiling, melting, freezing, and shredding.

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