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17-08-2022
Chemistry

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which of the following is a sign a chemical reaction has occurred?
A. A solid dissolved in a liquid.
B. A solid forms when two liquids are mixed.
C. A solid melts to a liquid when it is heated
D. A solid metal changes shape

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blake2215 blake2215

17-08-2022

B. A solid forms when two liquids are mixed

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