2Al+3Cl2=2AlCl3
AlCl3+3KOH=Al(OH)3+3KCl
2Al(OH)3=Al2O3+3H2O
Al2O3+Na2O=2NaAlO2
Zn+H2SO4=ZnSO4+H2
ZnSO4+2KOH=Zn(OH)2+K2SO4
Zn(OH)2=ZnO+H2O
ZnO+2NaOH=Na2ZnO2+H2O
2Al+3Cl2=2AlCl3
AlCl3+3KOH=Al(OH)3+3KCl
2Al(OH)3=Al2O3+3H2O
Al2O3+Na2O=2NaAlO2
Zn+H2SO4=ZnSO4+H2
ZnSO4+2KOH=Zn(OH)2+K2SO4
Zn(OH)2=ZnO+H2O
ZnO+2NaOH=Na2ZnO2+H2O