Cl2+Pb=PbCl2
PbCl2+H2=Pb+2HCl
Pb+S=PbS
2PbO+PbS=3Pb+SO2
2SO2+O2=2SO3
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Cl2+Pb=PbCl2
PbCl2+H2=Pb+2HCl
Pb+S=PbS
2PbO+PbS=3Pb+SO2
2SO2+O2=2SO3