Question

what is chemical reaction???​

Answer 1

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a process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction.

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Answer 2

Answer:

a process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction.

I hope this answer is helpful if any query then ask me have a nice day

some examples

1) hydrogen + oxygen ---> water.

2)iron + oxygen ---> rust.

3)potassium and chlorine gas ---> chloride.