<prompt> Which of the following is not a complete sterilizationGlutaraldehydeAbsolute alcoholHydrogen peroxideSodium hypochlorite  <response>: Pure alcohol has no power of disinfection but when diluted with water to 60-90 percent cent vol, it is a potent bactericidal, fungicidal, virucidal and tuberculocidal agent but does not destroy bacterial spores Ref: 25th edition, Parks Textbook of Preventive and Social Medicine, Page no. 141 