1.
____LiOH + ____P2O5 →
2.
____LiOH + ____SiO2 →
3.
____NaOH + ____SO3 →
4.
____H2SO4 + ____MgO →
5.
____CH3COOH + ____CuO →
6.
____HCl + ____CuO →
7.
____CH3COOH + ____PbO →
8.
____CH3COOH + ____Li2O →
9.
____Li2O + ____P2O5 →
10.
____HCl + ____ZnO →
11.
____Na2O + ____P2O5 →
12.
____K2O + ____CO2 →
13.
____NaOH + ____P2O5 →
14.
____ZnO + ____KOH + ____H2O →
15.
____CaO + ____H2O →