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OpenStudy (anonymous):
Which of the following is a physical change? A. Aluminium metal is pounded into thin sheets. B. Copper reacts with a strong acid. C. Iron is oxidized to iron oxide. D. Sodium metal explodes on contact with water. Next Question
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OpenStudy (anonymous):
lol your in math they gunna execute you
OpenStudy (anonymous):
Okay?
OpenStudy (anonymous):
but its a all the rest are chemical
OpenStudy (anonymous):
Alright your sure right?
OpenStudy (anonymous):
yea b c and d are chemical reactions and A is i physical change i mean hes physically changing the shape
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OpenStudy (anonymous):
Thanks!
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