August 2021 0 6 Report
1) 2Pb+O2=2PbO 2) PbO+2HNO3=Pb(NO3)2+H2O
3) Pb(NO3)2+KOH=Pb(OH)2+KNO3
4) Pb(OH)2+2NaOH=Na2[Pb(OH)4]
5) Na2[Pb(OH)4]+2HCl=PbCl2+2NaOH+2H2O

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