Operation theatres are sterilized by?
Carbolic acid spraying
Washing with soap and water
Formaldehyde
ETO gas
FORMALDEHYDE GAS is used for sterilizing instruments and heat sensitive catheters and for fumigating wards, sick rooms, and laboratories REF:Ananthanarayan and Panicker's Textbook ofMicrobiology 8thEdition pg no:36
general microbiology