1.S+H2 H2S
2.S+2Na=Na2S
3.2S+C CS2
4.S+Fe FeS
5.S+3C+2KNO3=K2S+N2↑+3CO2↑
6.3S+6KOH=2K2S+K2SO3+3H2O
7.S+2HNO3=H2SO4+2NO↑
8.S+2H2SO4=3SO2↑+2H2O