B. change in color
C. formation of heat
D. change in size/shape
Explanation:
Correct me if I'm wrong
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Answers & Comments
Question:
When reagents are added to the system, a chemical reaction occurs.Which is NOT an evidence of a chemical reaction?
A. formation of bubbles
B. change in color
C. formation of heat
D. change in size/shape
Answer:
A.formation of bubbles
Explanation:
Correct me if I'm wrong