lilsavangel lilsavangel

16-04-2017
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 :

SoniqLoyd SoniqLoyd

16-04-2017

The correct answer is A because color change is a physical change, when a substance changes color, the substance is still the same

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