Chemistry, asked by Kritip, 1 year ago

List 4 observations that help us to determine whether a chemical reaction has taken place

Answers

Answered by shsawatanand30
14
1:-evolution of gases
2:-change in temperature
3:-change in colour
4:-formation of precipitate
5:-change in state

Kritip: Thanks
shsawatanand30: wlcm
Answered by Jiyaa1
2
1.change in temperature
2.change in colour
3.formation of ppt
4.change in state
5.evolution of gas

Kritip: Thanks jiyaa
Jiyaa1: wlcm
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