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OpenStudy (anonymous):
Which of the following is a physical change? A. Sodium metal explodes on contact with water. B. Iron is oxidized to iron oxide. C. Copper reacts with a strong acid. D. Aluminium metal is pounded into thin sheets.
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OpenStudy (anonymous):
@Destinymasha plz help
OpenStudy (destinymasha):
a change from one state (solid or liquid or gas) to another without a change in chemical composition
OpenStudy (anonymous):
c
OpenStudy (destinymasha):
D
OpenStudy (destinymasha):
POUNDED -physical
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