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devlian [24]
4 years ago
5

I Really Need Your Help!!!

Chemistry
2 answers:
Aneli [31]4 years ago
5 0
I would say "B" because for it to change into a liquid energy must be applied to it and thus it is going through a chemical change.
Dmitriy789 [7]4 years ago
5 0
Color change, almost sure.

Changing state is a physical change, i.e. Water to ice to water. Color change is usually a sign of an irreversible chemical change
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