False about the toxicity of this poison is:: (A) Severe pain on contact is the characteristic feature, (B) Causes Liquefactive necrosis, (C) Causes Decalcification and destruction of bone, (D) Result in hypercalcemia
Answer is D. Hydrofluoric acid burns result in severe progressive tissue and bone destruction, and excruciating pain. Liquefactive necrosis Decalcification and destruction of bone. Production of insoluble salts--calcium and magnesium fluoride. These effects result in hypocalcaemia and hypomagnesaemia.