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
The best method of sterilization of dusting powder is? 
Select and explain. 
A. Autoclaving, B. Hot air oven, C. Inspissation, D. Tyndallisation
B: Hot air oven
Answer: B: Hot air oven 
Explanation: 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