下列反应中气体作氧化剂的是( )
A.H2S通入硫酸中:3H2S+H2SO4=4S↓+4H2O B.Cl2通入溴化钠溶液中:Cl2+2NaBr=2NaCl+Br2 C.HCl通入NaOH溶液中:HCl+NaOH=NaCl+H2O D.CO2通入澄清石灰水中:CO2+Ca(OH)2=CaCO3↓+H2O正确答案B
下列反应中气体作氧化剂的是( )
A.H2S通入硫酸中:3H2S+H2SO4=4S↓+4H2O B.Cl2通入溴化钠溶液中:Cl2+2NaBr=2NaCl+Br2 C.HCl通入NaOH溶液中:HCl+NaOH=NaCl+H2O D.CO2通入澄清石灰水中:CO2+Ca(OH)2=CaCO3↓+H2O正确答案B