- 4Al+3O2t0→2Al2O34 Al +3 O _{2} \stackrel{ t ^{0}}{\rightarrow} 2 Al _{2} O _{3}

- 3Ba+Al2(SO4)3DD→3BaSO4+2Al3 Ba + Al _{2}\left( SO _{4}\right)_{3 DD } \rightarrow 3 BaSO _{4}+2 Al

- 2Al+6HCldd→2AlCl3+3H22 Al +6 HCl _{ dd } \rightarrow 2 AlCl _{3}+3 H _{2}

- 2Al+Fe2O3t∘→2Fe+Al2O32 Al + Fe _{2} O _{3} \stackrel{ t ^{\circ}}{\rightarrow} 2 Fe + Al _{2} O _{3}