1.
____Al + ____I2 →
2.
____Al + ____H2O →
3.
____Mg + ____N2 →
4.
____HCl + ____Zn →
5.
____Fe2O3 + ____CO →
6.
____Al + ____Cu(NO3)2 →
7.
____CuCl2 + ____Fe →
8.
____SnO2 + ____CO →
9.
____Ra + ____H2O →
10.
____Cl2 + ____Li →
11.
____Fe + ____F2 →
12.
____Ag + ____S →
13.
____H2SO4 + ____Al →
14.
____Cd + ____S →
15.
____H2SO4 + ____Fe →
16.
____Zn + ____Pb(NO3)2 →
17.
____Zn + ____(CH3COO)2Pb →
18.
____Al + ____Hg(NO3)2 →
19.
____Cu + ____Hg(NO3)2 →
20.
____Zn + ____CuBr2 →