How can we identify that a chemical reaction has occurred.
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Answered by
0
Answer:
A chemical reaction is accompanied by one of the following change/ changes :
color change,
formation of a precipitate,
formation of a gas,
odor change,
temperature change.
Answered by
2
Answer:
a chemical reaction is usually accomplished easily observed physical effects such as emission of heat and light, the formation of a precipitate, the evolution of gas, or a
colour change
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