Răspuns:
H2SO4+2NaOH---->Na2SO4+2H2O
2H3PO4+3Mg---->Mg3(PO4)2+3H2
BaO+2HNO3---->Ba(NO3)2+H2O
K2S+2HNO3---->2KNO3+H2S
AlCl3+3AgNO3---->3AgCl+Al(NO3)3
Na2SO4+BaCl2---->BaSO4+2NaCl
(NH4)2CO3+2HCl--->2NH4Cl+CO2+H2O
3Mg+2H3PO3---->Mg3(PO3)2+3H2
2Na+Cl2---->2NaCl
3H2+N2---->2NH3
NH3+HNO3---->NH4NO3
2Mg+O2---->2MgO
H2+S---->H2S