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A substance undergoes change. Which Of the following indicates that the change was a chemical change? a. the substance changed state. b. the molecules of the substance changed c. the substance changed
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A substance undergoes change. Which Of the following indicates that the change was a chemical change?

a. the substance changed state.
b. the molecules of the substance changed
c. the substance changed shape.
d. the density of the substance changed.

User Joss
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the answer is bthe molecules of the substance changed
User AmeyaB
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