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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Sterilization of liquid paraffin is done by:
assistant
The correct answer is  Key Points 
Hot air oven is used in laboratories and clinics for heat-resistant items that are not sterilized well by moist heat. They are used for sterilization of: 

Glasswares (syringes, Petri dishes, flasks, pipettes, test tubes, etc.)
Surgical instruments (scalpels, scissors, forceps, etc.)
Chemicals (liquid paraffin, sulfonamide powders, etc.)
Oils that are not penetrated well by steam used in moist heat sterilization. 

Parija SC. Textbook of Microbiology & Immunology. Elsevier Health Sciences; 2014. Page:27