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OpenStudy (anonymous):
Which of the following is a physical change? A. Copper reacts with a strong acid. B. Aluminium metal is pounded into thin sheets. C. Iron is oxidized to iron oxide. D. Sodium metal explodes on contact with water.
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OpenStudy (anonymous):
@petiteme
OpenStudy (petiteme):
Aluminium metal is pounded into thin sheets.
OpenStudy (petiteme):
When it is pounded, it is still an aluminum :) No reactions occurs
OpenStudy (anonymous):
Thanx
OpenStudy (petiteme):
Yw :)
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