Which of these is an indication that a chemical reaction has occurred?
a. freezing of a...
Chemistry, 11.12.2019 10:31 KendallTishie724
Which of these is an indication that a chemical reaction has occurred?
a. freezing of a substance
b. boiling of a substance
c. melting of a substance
d. a change in color of a substance
Answers: 2
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