1) 4Al+3O2-->2Al2O3
2) Al2O3+6HCl-->2AlCl3+3H2O
3) AlCl3+3NaOH-->3NaCl+Al(OH)3
4) Al(OH)3+3NaOH-->Na3[Al(OH)6]
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1) 4Al+3O2-->2Al2O3
2) Al2O3+6HCl-->2AlCl3+3H2O
3) AlCl3+3NaOH-->3NaCl+Al(OH)3
4) Al(OH)3+3NaOH-->Na3[Al(OH)6]