Science, asked by sambita, 11 months ago

give three characteristic features of a chemical change​

Answers

Answered by abhinavnayan18
2

Some signs that a chemical change occurred include temperature increase, spontaneous change in color after mixing compounds, a marked odor after the reaction begins, formation of a precipitate in the solution and release of bubbles.

Answered by prianka70
1

Answer:

They are irreversible.

energy is either evolved or absorb during reaction.

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