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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
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4 votes
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

User Vorillaz
by
8.0k points

2 Answers

4 votes

The answer is D. a change in color of a substance

Just did test

User Colonder
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3 votes
D- If there is a color change that is indicative to that being a chemical change.

A, B, and C are examples of physical changes.
User Luca Anzalone
by
8.2k points
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