1.
____Zn + ____H2O →
2.
____NO2 + ____H2O + ____O2 →
3.
____K2O + ____H2O →
4.
____Li2O + ____H2O →
5.
____Cl2 + ____H2O →
6.
____Mg + ____H2O →
7.
____MgO + ____H2O →
8.
____Sr + ____H2O →
9.
____C + ____H2O →
10.
____P2O5 + ____H2O →
11.
____Cs2O + ____H2O →
12.
____Li + ____H2O →
13.
____Rb2O + ____H2O →
14.
____Al + ____H2O →
15.
____Rb + ____H2O →