Question

al-al2(so4)3-alcl3-al(oh)3-al2o3

Answer 1

2Al + 3H2SO4 = Al2(SO4)3 + 3H2

Al2(SO4)3 + 6HCl = 2AlCl3 + 3H2SO4

AlCl3 + 3NaOH = Al(OH)3 + 3NaCl

2Al(OH)3 (t)= Al2O3 + 3H2O