Pharmacology General ab585561 What is the clearance of a substance, if its concentration in plasma is 10 mg%, concentration in urine is 100 mg % and urine flow is 2 ml/min ? A 0.02 ml/min. B 0.2 ml/min C 2 ml/min D 20 ml/min. High-Yield Explanation Ans. is 'd' i.e., 20 ml/min.