4Al + 3O₂ = 2Al₂O₃
Al₂O₃ + HBr = AlBr₃ + H₂O
AlBr₃ + 3KOH = Al(OH)₃ + 3KBr
Al(OH)₃ = Al₂O₃ + 3H₂O
Al₂O₃ + 3H₂ = Al + H₂O
4Al + 3O₂ = 2Al₂O₃
Al₂O₃ + HBr = AlBr₃ + H₂O
AlBr₃ + 3KOH = Al(OH)₃ + 3KBr
Al(OH)₃ = Al₂O₃ + 3H₂O
Al₂O₃ + 3H₂ = Al + H₂O