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Which of the following are clues that a chemical reaction may have taken place?

A.Temperature remains constant

B.Release of heat


C.Formation of a solid


D.Mass increase

User Komar
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2 Answers

5 votes

its d: mass increase

User Violin Yanev
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1 vote

Answer:

The answer is formation of a solid and release of heat (APEX)

Step-by-step explanation:

User Rfusca
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