1.
____Sr + ____H2O →
2.
____Fe + ____H2O →
3.
____CH3COOH + ____Mg →
4.
____H3PO4 + ____Zn →
5.
____Ba + ____H2O →
6.
____HBr + ____Al →
7.
____Ca + ____H2O →
8.
____H2SO4 + ____Al →
9.
____H2SO4 + ____Zn →
10.
____HCl + ____Zn →
11.
____Mg + ____H2O →
12.
____HBr + ____Zn →
13.
____HCl + ____Mg →
14.
____HBr + ____Mg →
15.
____Na + ____H2O →