ramireznoem4541 ramireznoem4541
  • 12-10-2017
  • Chemistry
contestada

What are 3 signs that a chemical change (chemical reaction) has taken or is taking place?

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kastaadela
kastaadela kastaadela
  • 16-10-2017
Heat has been released or lost. Odor may be present. Absence of a substance may be converted to something else.
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