Question

All of the following are accurate statements concerning microbial control using dry heat except ________.

		the Bunsen burner can achieve temperatures up to 1,870oC, whereas the hot-air oven reaches temperatures of up to 180oC
		it takes up to 4 hours to sterilize instruments in a hot-air oven, whereas the Bunsen burner will incinerate an inoculating loop almost immediately
		it is the preferred method of control to sterilize cottons, plastics and paper
		while fast and effective, the Bunsen burner is limited to metals and glassware, whereas powders and oils can also be sterilized in the hot-air oven

Answer 1

Its 2nd option

It takes upto 4 hours to sterilise instruments in a hot- air oven, whereas the Bunsen burner will incinerate an inoculating loop almost immediately

PLEASE GIVE FEEDBACK!!!!