H2S + 2KOH = K2S + 2H2O
ZnO + H2S = ZnS + H2O
Zn(OH)2 + H2S = ZnS + 2H2O
Ca(OH)2 + H2S = CaS↓ + 2H2O
Na2O + H2S = Na2S + H2O
Ba(OH)2 + H2S = BaS↓ + 2H2O
Ba(OH)2 + 2H2S(изб.) = Ba(HS)2 + 2H2O
H2S + 2NaOH = Na2S + 2H2O
H2S + 2LiOH = Li2S + 2H2O
2H2S + 3O2 = 2SO2 + 2H2O
Cu(OH)2 + H2S = CuS + 2H2O
CuO + H2S = CuS + H2O
PbCO3 + H2S = PbS + H2O + CO2↑
MgO + H2S `overset(t)(=)` MgS + H2O↑
2H2S + H2SO3 = 3S↓ + 3H2O
H2S(изб.) + KOH = KHS + H2O