yara2008 yara2008

19-11-2019
Chemistry

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Which is not a sign that a chemical change has happened

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7amInTheMorning 7amInTheMorning

19-11-2019

Answer:

It is not a chemical reaction when the color, smell, characteristics of the substance, temperature change does NOT happen. Therefore, it is not a chemical reaction, but a PHYSICAL reaction.

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