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20-04-2017
Chemistry

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All of the following are evidence that a chemical reaction has occurred except ______.
Question 3 options:

A. color change

B. formation of a precipitate

C. bubbles of gas

D. all of the above are evidence of a chemical reaction

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MuSiCisLiFe0930 MuSiCisLiFe0930

20-04-2017

D. all of the above are evidence of a chemical reaction

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