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31 May, 04:00

Which identifies that a chemical reaction has occurred?

A. New substances are produced.

B. The color has changed.

C. Bubbles have formed.

D. Temperature has changed.

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Answers (2)
  1. 31 May, 04:13
    0
    The answer would be A.
  2. 31 May, 07:03
    0
    Dits totally d it had a tempeyure change
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