Which of the following tests would confirm-unequivocally that a solution X contain the sulphate ion if it gives with
A. silver nitrates solution, a white precipates insoluble in dilute HNO3 B. barium chloride solution, a white precipitate insoluble in dilute H2SO4 C. barium chloride solution, a white precipitate insoluble in dilute HCl D. barium chloride solution a white precipitate soluble in dilute ammonia E. barium chloride solution a white precipitate insoluble in dilute HCl
