C5hardaI8mthhhh C5hardaI8mthhhh

24-04-2017
Biology

contestada

All of the following are evidence that a chemical reaction has occurred except ______.

A. color change

B. formation of a precipitate

C. bubbles of gas

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

Respuesta :

rosiecat44 rosiecat44

27-04-2017

the answer is D. these are all chemical reactions.

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