Chemistry The gas which cannot be dried by conc. H2SO4 ? Options:A. SO2B. H2SC. CO2D. C2H4View AnswerB. H2S Continue Reading Previous: By which method the molecular mass of benzene was determined as 78.108 ?Next: Water gas heated at 450?C and 200 atm pressure in the presence of ZnO+Cr2O3 will produce________________?