Which of the following statement(s) is /are false ?
(A) Fe3+ gives red precipitate with dimethyl glyoxime in alkaline solution.
(B) Cu2+ ion with excess KI gives a dirty white ppt. which turns white on adding hypo solution.
(C) A filter paper soaked in mercurous nitrate turns black in contact with ammonia gas.
(D) Ag2+ gives white precipitate with BaBr2