This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: general microbiology, Subject name: Microbiology
[{'content': 'The best method of sterilization of dusting powder is? \nSelect and explain. \nA. Autoclaving, B. Hot air oven, C. Inspissation, D. Tyndallisation', 'role': 'user'}, {'content': "Answer: B \nExplanation: Hot air oven: it is used to sterilize glassware, forceps, scissors, scalpels, all glass syringes, swabs, some pharmaceutical products such as liquid paraffin, dusting powder, fat and grease REF:Ananthanarayan and Panicker's Textbook ofMicrobiology 8thEdition pg no:31", 'role': 'assistant'}]