<prompt> Oil and Grease are sterilized by:Hot air ovenAutoclavingFiltrationIrradiation  <response>: Ans: A Hot air oven Ref: A nanthana ray an, Paniker CJ. Textbook of microbiology. 8th Edition. London: John Wiley Sons: 2009. Pg. 30-38.Explanation: See table below Disinfectant SterilisationActive againstUseEthyl alcoholBactericidal but not sporicidalSkin antisepticsMethyl alcoholActive against bacterial and fungal sporesCabinets incubatorsIsopropyl alcoholBactericidal but not sporicidalDisinfection of suture material, clinical thermometersFormaldehydeBactericidal, sporicidal virucidalOT fumigationGlutaraldehydeBactericidal, sporicidal virucidal less toxicirritantBronchoscopes, endoscopes, cystoscopesHypochloriteBactericidal, sporicidal virucidalBlood spillChlorhexidineBactericidal, mo cerate sporcidal virucidalTreatment of woundsEthylene oxideBactericidal, sporicidal virucidalhighly penetrating gasHeart lung machines, respirators, dental equipmentAutoclaveAll organismsDressings, instruments, media, linenHot air ovenAll organismsGlassware, Glass syringes, Grease, oi. liquid paraffin, dusting powder 