Verified answer

Al2O3 + 3CO= 2Al + 3CO2

2Al+ 6H2O= 2Al(OH)3 + 3H2

Al(OH3)+3HCl = AlCl3+ 3H2O

2AlCl3+3Na2CO3+2H2O=2Al(OH)3+6NaCl+3CO2

Ba+2H2O=Ba(OH)2+H2

2Ba+O2=2BaO

BaO+H2O= Ba(OH)2

6Ba(OH)2+ 6Cl2= 6BaCl2 + Ba(ClO3)2 + 6H2O

BaCl2+ H2SO4= BaSO4 + 2HCl