Formaldehyde gas sterilization is employed for?: (A) Sterilizing hea lung machines, (B) Glass materials, (C) Paper and cloth, (D) Fumigation of operation theater
Answer is D. Formaldehyde gas is used for sterilising instruments and heat sensitive catheters and for fumigating wards and sick rooms and laboratories REF:Ananthanarayan and Panicker's Textbook ofMicrobiology 8thEdition pg no:36