This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Poisoning, Subject name: Forensic Medicine
Most common poisonous salt of mercury is - 
Select and explain. 
A. Chloride, B. Nitrate, C. Sulfide, D. Iodide
A: Chloride
Answer: A: Chloride 
Explanation: inorganic compounds of mercury Mercuric oxide Mercuric chloride Mercuric iodide Mercuric cyanide Mercuric nitrate Mercuric sulphide Mercuric sulphate Mercurous chloride Mercurous nitrate REF;THE SYNOPSIS OF FORENSIC MEDICINE:KS NARAYANA REDDY;28th EDITION;PAGE NO 306