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