What are the four signs of a chemical reaction

asked Dec 20, 2017 228k views

5 votes

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6 votes

color, turns in to a gas liqued or solid , temp, and i cant think of the last one

Brian Makin answered Dec 22, 2017

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4 votes

1. color change 2. gas formation 3. temperature change ( heat, light,cold) 4. precipitate formed.

Pehr Sibusiso answered Dec 24, 2017

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