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e-lub [12.9K]
3 years ago
12

Stephanie está haciendo una investigación

Physics
1 answer:
Usimov [2.4K]3 years ago
5 0

Answer:

B Chemical change

Explanation:

Something formed with a dark blue colour. It was a new substance with new properties, so this was a chemical change.

A is wrong because a new substance formed.

C is wrong because the copper stayed solid.

D is wrong because they did not say anything about the viscosity of the solution .

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