Ca(OH)2+SO2 = ? HNO3+Fe(OH3)= ? Zn+H3PO4= ? CaO+H2S= ? FeCl2+KOH = ?

Question

Ca(OH)2+SO2 = ? HNO3+Fe(OH3)= ? Zn+H3PO4= ? CaO+H2S= ? FeCl2+KOH = ?

Answer 1

1)Ca(OH)2+SO2=CaSO3+H2O
2)3HNO3+Fe(OH)3=3H2O+Fe(NO3)3
3)3Zn+2H3PO4=3H2+Zn3(PO4)2
4)FeCl2+2KOH=2KCl+Fe(OH)2