What are the four signs of a chemical reaction

asked Sep 7, 2020 175k views

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3 votes

Answer:

Bubbling, color change, maybe a change of temperature, or formation of gas.

Shalafi answered Sep 8, 2020

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4 votes

Answer: Conditions of a chemical change are: Color change, formation of precipitate, formation of a gas, odor change, and temperature.

Niek Tuytel answered Sep 12, 2020

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