reilers reilers
  • 18-09-2020
  • Chemistry
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What are 3 signs that a chemical reaction is happening, what tells you that this is definitely a chemical reaction?

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kihannaswain
kihannaswain kihannaswain
  • 22-09-2020

Answer:

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

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