S+H2===H2S S+2Cu===Cu2S 3S+2Al===Al2S3 S+Zn===ZnS S+6HNO3(浓)===H2SO4+6NO2+2H2O 3S+4 HNO3(稀)===3SO2+4NO+2H2O 3S+6NaOH===2Na2S+Na2SO3+3H2OS＋Fe＝FeS S＋3C＋2KNO3＝K2S＋N2↑＋3CO2↑ S＋H2＝ H2S（高温加...