废旧手机的某些部件含有Mg、Al、Cu、Ag等金属。为了回收重金属,将

废旧手机的某些部件含有Mg、Al、Cu、Ag等金属。为了回收重金属,将旧手机部件浸入足量稀硫酸中充分反应后,过滤,所得固体中含有的金属是(  )

A.Al、Cu       B.Mg、Al       C.Cu、Ag         D.Mg、Ag

 

答案

C

解析:略

 

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