Chemistry, 04.12.2020 22:50, Jaydenbaysinger122

Which of the following observations is the best indicator that a new substance has been formed? A. A solid has become a liquid.
B. A substance has changed color.
C. A solid has dissolved in a liquid.
D. The volume of a substance increased.

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Which of the following observations is the best indicator that a new substance has been formed? A....