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
[{'content': 'Anhydrous glucose in reduced osmolarity ORS- \nSelect and explain. \nA. 26 gm\\/l, B. 2.9 gm\\/L, C. 13.5 gm\\/L, D. 1.5 gm\\/L', 'role': 'user'}, {'content': "Answer: C \nExplanation: Reduced osmolarity of anhydrous glucose is 13.5 grams/litre.2.6 is og sodium chloride ,1.5 is of potassium chloride ,2.9 is of trisodium citrate.(Ref.PARK'S textbook of social and preventive medicine 21st edition page no.202)", 'role': 'assistant'}]