1.
____MgO + ____H2O →
2.
____HCl + ____Fe2O3 →
3.
____LiOH + ____SO2 →
4.
____Mg(OH)2 + ____SO3 →
5.
____Ca(OH)2 + ____CO2 →
6.
____Ba(OH)2 + ____CO2 →
7.
____HNO3 + ____BeO →
8.
____KOH + ____SiO2 →
9.
____H2SO4 + ____Al2O3 →
10.
____HCl + ____MnO →
11.
____Al2O3 + ____KOH + ____H2O →
12.
____Mg(OH)2 + ____P2O5 →
13.
____BaO + ____H2O →
14.
____Al2O3 + ____NaOH →
15.
____KOH + ____SO2 →
16.
____NaOH + ____SO3 →
17.
____CH3COOH + ____BaO →
18.
____HCl + ____ZnO →
19.
____Cr2O3 + ____NaOH →
20.
____Ba(OH)2 + ____P2O5 →