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OpenStudy (anonymous):
a sample liquid is cooled from 150 degrees celsius to 30 degrees celsius, causing the liquid to change into a solid. Which of the following has occured? A) Chemical composition has changed B) A physical change has occured C)A new compound has formed E)Evaporation of a solvent has occured
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OpenStudy (anonymous):
B) A physical change has occured
OpenStudy (anonymous):
thanks!
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