This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Social & Preventive Medicine
According to WHO, all are true about Reduced osmolarity ORS (in mmol/L) except: 
Select and explain. 
A. Glucose -90, B. Na-75, C. Potassium - 20, D. Citrate - 10
A: Glucose -90
Answer: A: Glucose -90 
Explanation: Reduced Osmolarity ORS - Na+ 75 mmol /L K+ 20 mmol /L Cl- 65 mmol/L Citrate 10 mmol/L Glucose 75 mmol/L Total 245 mmol/L