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.
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Question

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.
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anonymous · Answer

lol your in math they gunna execute you

anonymous · Answer

Okay?

anonymous · Answer

but its a all the rest are chemical

anonymous · Answer

Alright your sure right?

anonymous · Answer

yea b c and d are chemical reactions and A is i physical change i mean hes physically changing the shape

anonymous · Answer

Thanks!