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katrin2010 [14]
2 years ago
13

Which of the following always changes when a substance undergoes a chemical change?

Chemistry
2 answers:
Ronch [10]2 years ago
8 0

Answer:

C

Explanation:

All chemical reactions will show a change in color.

Elenna [48]2 years ago
7 0

Answer:

C. Color of the substance.

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