1.
____Fe + ____O2 →
2.
____HBr + ____Fe →
3.
____H2 + ____PbO →
4.
____Al + ____Sn(NO3)2 →
5.
____Al + ____S →
6.
____Mg + ____Si →
7.
____Mg + ____Cu(NO3)2 →
8.
____MnO + ____CO →
9.
____Cl2 + ____K →
10.
____Na + ____H2O →
11.
____Fe2O3 + ____CO →
12.
____Sr + ____H2O →
13.
____Mg + ____P →
14.
____HCl + ____Al →
15.
____Al + ____CuSO4 →