40% formalin is used to sterilize?: (A) Plastic syringes, (B) All microbes + spores, (C) Clothes, (D) Stitches
Answer is B. 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 & paniker's Textbook of Microbiology 9th edition pg no:34