NaOH + SO2 = NaOH + PbO = NaOH + Mg(NO3)2 =

Question

NaOH + SO2 =

NaOH + PbO =

NaOH + Mg(NO3)2 =

Answer 1

2NaOH + SO2 = Na2SO3 + H2O

2NaOH + PbO  =  Na2O + Pb(OH)2 

2NaOh6+ Mg(NO3)2 = 2NaNO3+Mg(OH)2