Question

Which of the following things are clues that a chemical change has taken place?

Select ALL that are correct.
⚠️Multiple-choice⚠️

A. A precipitate is formed

B. The substance changes temperature without being exposed to heat or cold.

C. The substance changes states of matter

D. A color change happens

Answer 1

B. D.

Step-by-step explanation:

B. because the temperature changes and when it changes a chemical change because there is not heat or coldness to change it with physical change.

D. because you are mixing the colors so that the color of whatever substance you are changing the color of is changing what the specific color was before.

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