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
Fatal period in sulphuric acid poisoning is : 
Select and explain. 
A. 2-4 hours, B. 6-10 hoursd, C. 12-16 hours, D. 8-14 hours
C: 12-16 hours
Answer: C: 12-16 hours 
Explanation: C i.e. 12 -16 hours