Chemistry The composition of brown ring in nitrate test is_________________? Options:A. FeSO4.NoB. FeSO4.No2C. FeSO4.No3D. FeSO4.N2oView AnswerA. FeSO4.No 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________________?