Which indicates a chemical reaction is occurring? - ProProfs Discuss
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Which indicates a chemical reaction is occurring?



A. A substance melting
B. A substance evaporating
C. Bubbles forming when two substances are mixed
D. Temperature remaining the same when two substances are mixed

This question is part of Leaven ttt Questions
Asked by Leavendl, Last updated: Mar 13, 2020

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leavendl

Leavendl

Answered Apr 25, 2019

Bubbles forming when two substances are mixed

The formation is gas bubble is an indication of a CHEMICAL REACTION.
 

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