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将过量的铁粉放入含AgNO3和Zn(NO3)2的混合溶液中,搅拌,使其充分反
将过量的铁粉放入含AgNO3和Zn(NO3)2的混合溶液中,搅拌,使其充分反
将过量的铁粉放入含
AgNO
3
和
Zn(NO
3
)
2
的混合溶液中,搅拌,使其充分反应后,过滤,滤液上留下的金属是
A.
Ag
B.Fe、
Ag
C.
Zn
、
Fe
D.
Zn
、
Fe
、
Ag
答案
B
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