1. 4Al + 3O2 = 2Al2O3
2. Al2O3 + 6HCl = 2AlCl3 + 3H2
3)AlCl3+3NaOH=Al(OH)3+3NaCl
4)Al(OH)3-t->Al2O3+H2O
1. 4Al + 3O2 = 2Al2O3
2. Al2O3 + 6HCl = 2AlCl3 + 3H2
3)AlCl3+3NaOH=Al(OH)3+3NaCl
4)Al(OH)3-t->Al2O3+H2O
Al2O3 + 6HCl = 2AlCl3 + 3H2O
AlCl3 + 3NaOH = Al(OH)3 + 3NaCl
2Al(OH)3 (t)= Al2O3 + 3H2O
2Al2O3 (t)= 4Al + 3O2