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 is called a chemical reaction.

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Answer 2

sᴏʟᴜᴛɪᴏɴ

chemical reaction : chemical chemical reactions are the process in which new substances with new properties are formed.

characteristics of chemical reactions.

1. evolution of gas
2. formation of precipitate
3. change in state
4. change in colour
5. change in temperature.

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