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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
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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

User Mike Pedersen
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D. all of the above are evidence of a chemical reaction
User Misha Akovantsev
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