PbCl2 + H2O2 = Na2So4 + H2S = BaSo4 + C = HNO3 + Cu2O = Al + KNO3 + KOH = NaOH + H2O2 =

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There are multiple chemical reactions given in the statement. Let's break them down one by one:

PbCl2 + H2O2 = No reaction.

Na2So4 + H2S = No reaction.

BaSo4 + C = BaS + CO2

HNO3 + Cu2O = Cu(NO3)2 + H2O

Al + KNO3 + KOH = KAlO2 + H2O + N2

NaOH + H2O2 = NaOOH + H2O

If you meant to combine all the reactions together, you would end up with a mixture of various products based on the given reactions.