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zavuch27 [327]
3 years ago
15

Which evidence is an indication that a chemical reaction has occurred?

English
1 answer:
Colt1911 [192]3 years ago
6 0

Answer/Explanation:

A chemical reaction is also known as a chemical change.

A chemical reaction occurs when one or more reactants change into new substances called products

There are a few changes that might accompany a chemical reaction including:

  • a change in the color of the solution
  • the formation of a gas, which might be visible through bubbles being produced
  • a temperature change - often the chemical reaction will produce heat
  • the formation of a precipitate - this means that particles that do not dissolve in the solution will form
  • odor change - a different smell might be produced
  • tlight given off - some reactions might produce a brighr ligh
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