Social & Preventive Medicine General c9ab8267 All of the following are used in disinfection of faeces, EXCEPT: A Cresol B Formalin C Glutaraldehyde D Bleaching powder High-Yield Explanation Agents used for disinfecting faeces: DISINFECTANT % USED Bleaching powder 5 Phenol 10 Cresol 5 Formalin 10 Ref: Park 21st edition, page 119.