1.
____Al + ____O2 →
2.
____HNO3 + ____Al(OH)3 →
3.
____Fe2O3 + ____Al →
4.
____NaOH + ____Al(OH)3 →
5.
____HBr + ____Al2O3 →
6.
____Al(NO3)3 + ____Ba(OH)2 →
7.
____H2SO4 + ____Al(OH)3 →
8.
____Al4C3 + ____H2O →
9.
____Al + ____Sn(NO3)2 →
10.
____Al + ____CuSO4 →
11.
____H2SO4 + ____Al2O3 →
12.
____Al + ____Cu(NO3)2 →
13.
____Al2(SO4)3 + ____BaI2 →
14.
____Al2S3 + ____H2O →
15.
____Al + ____Pb(NO3)2 →
16.
____Cr2O3 + ____Al →
17.
____AlBr3 + ____KOH →
18.
____Al + ____S →
19.
____Al + ____I2 →
20.
____Cl2 + ____Al →