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Describe the ways you can know that a chemical reaction has occurred.

Describe the ways you can know that a chemical reaction has occurred.
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Describe the ways you can know that a chemical reaction has occurred.

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User Drew Goodwin
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The color can change so can the PH and oder.

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User Hbot
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Signs that a chemical reaction is occurring are: 1. change in color 2. change in odor 3. change in pH, as in changes from acid to base or base to acid
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User Umar Hayat
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