OpenStudy (anonymous):
you heat two substances, A and B both substances change color. When cooled substance B returns to its original color, but substance A does not. what most likely happened ? A. a chemical change occurred in both substances B. a physical chance occurred in substance A, and a chemical change occurred in substance B C. a physical change occurred in both substances D. a chemical change occurred in substance A, and a physical occurred in substance B my answer I put is B *** but I don't know if I'm correct please help!!!!
OpenStudy (wmj259):
A physical change occurred in the substance B, because color is a physical property. A chemical property is something that changes the molecular chemistry of the (molecule,ion,substance,mixture). Chemical changes keep the new changes after a chemical reaction has occurred.
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