CuO+H2=Cu+H2O
2Al+6HCl=2AlCl3+3H2
2H2+O2=2H2O
2Cu+O2=2CuO
S+O2=SO2
2CuS+3O2=2SO2+2CuO
WO3+3H2=W+3H2O
Na2O+H2O=2NaOH
Zn+H2SO4=ZnSO4+H2
N2+3H2=2NH3
H2+FeO=Fe+H2O
V2O5+5H2=2V+5H2O
Ba+2H2O=Ba(OH)2+H2
CuO+H2=Cu+H2O
2Al+6HCl=2AlCl3+3H2
2H2+O2=2H2O
2Cu+O2=2CuO
S+O2=SO2
2CuS+3O2=2SO2+2CuO
WO3+3H2=W+3H2O
Na2O+H2O=2NaOH
Zn+H2SO4=ZnSO4+H2
N2+3H2=2NH3
H2+FeO=Fe+H2O
Na2O+H2O=2NaOH
Zn+H2SO4=ZnSO4+H2
V2O5+5H2=2V+5H2O
Ba+2H2O=Ba(OH)2+H2