2Al + 3Hg(NO3)2 = 2Al(NO3)3 + 3Hg
Mg + ZnCl2=MgCl2 + Zn
Fe + ZnCl2 = FeCl2 + Zn
Pb(NO3)2 + Zn = Pb↓ + Zn(NO3)2
2Al + 3Hg(NO3)2 = 2Al(NO3)3 + 3Hg
Mg + ZnCl2=MgCl2 + Zn
Fe + ZnCl2 = FeCl2 + Zn
Pb(NO3)2 + Zn = Pb↓ + Zn(NO3)2