1) 4Al + 3O2 = 2Al2O3
2) Al2O3 + 3H2O = 2Al(OH)3
3) Al(OH)3 + KOH = KAlO2 + 2H2O
4) Al(OH)3 + 3HCl = AlCl3 + 3H2O
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Answers & Comments
1) 4Al + 3O2 = 2Al2O3
2) Al2O3 + 3H2O = 2Al(OH)3
3) Al(OH)3 + KOH = KAlO2 + 2H2O
4) Al(OH)3 + 3HCl = AlCl3 + 3H2O