Question

.........
.,.......................

Answer 1

1) 4Al + 3O₂ = 2Al₂O₃

2) Al₂O₃  + 6HCl = 2AlCl₃ + 3H₂O

3) AlCl₃ + 3KOH = Al(OH)₃ + 3KOH

4) Al(OH)₃ + 3NaOH = Na₃AlO₃ + 3H₂O

5) Al(OH)₃ + 3HNO₃ = Al(NO₃)₃ + 3H₂O