What are 3 signs that a chemical reaction is happening, what tells you that this is definitely a chemical reaction?

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asked Dec 8, 2021 101k views

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QuentinC · Answer 1 · 2021-12-12T22:49:05+0000

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A chemical reaction is usually accompanied by easily observed physical effects, such as the emission of heat and light, the formation of a precipitate, the evolution of gas, or a color change

What are 3 signs that a chemical reaction is happening, what tells you that this is definitely a chemical reaction?

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