This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Forensic Medicine
All causes metabolic acidosis, except: Kerala 07 
Select and explain. 
A. Methanol, B. Ethanol, C. Salicylate, D. Isopropanol
D: Isopropanol
Answer: D: Isopropanol 
Explanation: Ans. Isopropanol