2H2S+3O2==(点燃)2H2O+2SO2
Cl2+H2S===2HCl+S
S+H2===H2S
Mg+H2S===MgS+H2
2H2S+3O2(足量)===2SO2+2H2O
2H2S+O2(少量)===2S+2H2O 2H2S+SO2===3S+2H2O
H2S+H2SO4(浓)===S+SO2+2H2O 3H2S+2HNO(稀)===3S+2NO+4H2O
5H2S+2KMnO4+3H2SO4===2MnSO4+K2SO4+5S+8H2O
3H2S+K2Cr2O7+4H2SO4===Cr2(SO4)3+K2SO4+3S+7H2O
H2S+4Na2O2+2H2O===Na2SO4+6NaOH