Al-Al2o3-AlCl3-Al (OH)3-Al2O3

Question

Al-Al2o3-AlCl3-Al (OH)3-Al2O3

Answer 1

1)4Al+3O2=2Al2O3
2)Al2O3+3C+3Cl2=2AlCl3+3CO
3)AlCl3+3NaOH=Al(OH)3+3NaCl
4)2Al(OH)3=(над равно t)=Al2O3+H2O