<prompt> 40 formalin is used to sterilize?Plastic syringesAll microbes sporesClothesStitches  <response>: 40 formalin is used for the preservation of cadavers to prevent the putrefaction and also prevent the growth of bacteria. it destroys all microbes and its spores Ref Ananthanarayan panikers Textbook of Microbiology 9th edition pg no:34 