A.a misture of conc. H2SO4 and oil
B.sulphuric acid which gives fumes of sulphur dioxide
C.sulphuric acid saturated with sulphur trioxide
D.a mixture of sulphuric and nitric acid.
A.a misture of conc. H2SO4 and oil
B.sulphuric acid which gives fumes of sulphur dioxide
C.sulphuric acid saturated with sulphur trioxide
D.a mixture of sulphuric and nitric acid.