A Pb(s)/Pb2+ ।। Cu2+/Cu(s)
B Pb,PbSO4 ।। H2SO4(aq)/PbO2,Pb
C Zn(s)/Zn2+ ।। Pb2+/Pb(s)
D Pb/Pb2+ ।। H+/H2
Correct Answer: Option B
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