Tetany is caused by which poisoning :: (A) Oxalic acid, (B) Carbolic acid, (C) Sulphuric acid, (D) Nitric acid
Answer is A. Oxalic acid combines with calcium and causes its withdrawal from them causing hypocalcemia.
In acute poisoning by oxalic acid, it produces hypocalcemia leading to muscle irritability, tetany & convulsions.