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VD: 4Al + 3O2 -> 2Al2O3
VD: 2Al + 3Cl2 -> 2AlCl3
VD: 4Al + 4HNO3( loãng ) -> Al(NO3)3 + NO + 2H2O
VD: 2Al + 6HCl --> 2AlCl3 + 3H2
VD: 2Al + Fe2O3 -> Al2O3 + 2Fe
2Al + 2NaOH + 6H20 -> 2NA(Al(OH)4) +3H2
*2 Al + 6 H2O → 2 Al(OH)3 + 3 H2*
2Al(OH)3→ Al2O3+3H2O
Al(OH)3+ 3HCl → AlCl3 + 3H2O Al(OH)3+NaOH → NaAlO2+ 2H2O
Al2O3 + 6HCl → 2AlCl3 + 3H2O Al2O3 + 2NaOH + 3H2O → 2Na(Al(OH)4)