Question

1,2,3,4,5
Al->AlCl3->Al(OH)3->Al2(SO4)3->AlCl3->Al(NO3)3

Answer 1

1) 2Al + 6HCl = 2AlCl₃ + 3H₂
2) AlCl₃ + 3NaOH = Al(OH)₃ + 3NaCl
3) 2Al(OH)₃ + 3H₂SO₄ = Al₂(SO₄)₃ + 6H₂O
4) Al₂(SO₄)₃ + 6NaCl = 2AlCl₃ + 3Na₂SO₄
5) AlCl₃ + 3HNO₃ = Al(NO₃)₃ + 3HCl