1.
____H2SO4 + ____Fe →
2.
____Ba + ____H2O →
3.
____H3PO4 + ____Zn →
4.
____CH3COOH + ____Mg →
5.
____HCl + ____Al →
6.
____HCl + ____Mg →
7.
____H2S + ____Mg →
8.
____HI + ____Zn →
9.
____H3PO4 + ____Mg →
10.
____H2SO4 + ____Zn →
11.
____C + ____H2O →
12.
____Na + ____H2O →
13.
____HCl + ____Fe →
14.
____HCl + ____Ca →
15.
____HBr + ____Mg →