This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition and health, Subject name: Social & Preventive Medicine
Most sensitive & specific test for sanguinane - 
Select and explain. 
A. Fe Cl3, B. NO, C. HCI, D. Niic acid
D: Niic acid
Answer: D: Niic acid 
Explanation: Nitric acid test and paper chromatography test is the test for detection of argemine oilREF.PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE.Editon-21.Page no.-608.