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14 votes
What clues indicate that a chemical reaction has occurred?

Choose all correct answers.


the formation of a new liquid

a temperature change

the formation of bubbles

a color change

2 Answers

8 votes
the answer is formation of bubbles
User Matthew Sanders
by
4.0k points
6 votes
all sound correct, but definitely A and C
User Daekeun
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3.7k points