What are the signs that a chemical reaction has occurred

asked Jul 4, 2019 206k views

5 votes

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6 votes

Well. There is the color change and the formation of bubbles.

Nishi Bangar answered Jul 6, 2019

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2 votes

Color change, formation of a precipitate, heat, formation of a gas, and odor

JuanBoca answered Jul 10, 2019

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