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  • 16-02-2021
  • Chemistry
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A chemical reaction occurs when we see a chemical?

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Samson2007
Samson2007 Samson2007
  • 16-02-2021

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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