Question

Can we say that chemical reaction occurs when a substance undergoes chemical changes

Answer 1

Yes, that's right..

When chemical changes takes, a chemical reaction is said to have taken place...

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Answer 2

The statement is true.

Explanation:

Because during a chemical change, one substance reacts with another to undergo changes in chemical composition or properties. Chemical reactions represent the chemical changes undergone by different elements and compounds. Only rearrangement of atoms takes place in a chemical reaction.

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