Rideal-Walker coefficient is related with -: (A) Disinfecting power, (B) Parasitic clearance, (C) Dietary requirement, (D) Statistical correlation
Answer is A. Ans. is 'a' i.e., Disinfecting power Determining the efficiency of a disinfectants1. Rideal walker test* Phenol is taken as the standard -> Phenol coefficient2. Chick martin test