1. H2S + 2NaOH = Na2S+ 2H2O
2. H2S + O2 = SO + O2
3. H2S + 2K = K2S + H2
4. H2S + FeCl2 = 2HCl + Fe2S
1. H2S + 2NaOH = Na2S+ 2H2O
2. H2S + O2 = SO + O2
3. H2S + 2K = K2S + H2
4. H2S + FeCl2 = 2HCl + Fe2S