Antidote for arsenic poisoning is: (A) Ferric oxide, (B) Aluminium oxide, (C) Magnesium oxide, (D) Nickel oxide
Answer is A. Ans. is 'a' i.e. Ferric oxide Treatment of arsenic poisoning includes stomach wash and use of freshly precipitated hydrated ferric oxide as an antidote (which forms ferric arsenite a harmless salt).