<prompt> Phenol coefficient indicates:Efficacy of a disinfectantDilution of a disinfectantQuantity of a disinfectantPurity of a disinfectant  <response>: Ans. is a i.e., Efficacy of a disinfectant PhenoliccoefficientofatestdisinfectantPhenolthatkillsS.Typhiinagivensametime HighestdilutionDisinfectantthatkillsS.typhiinagiventime Highestdilution 