Question

Which of the following methods will not sterilize?

a.

Aqueous glutaraldehyde for 10 hours

b.

Dry heat at 171°C for 1 to 2 hours

c.

121°C at 15 lb/in pressure for 15 to 20 minutes

d.

100°C boiling water for 30 minutes

Answer: (d).100°C boiling water for 30 minutes

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Q. Which of the following methods will not sterilize?

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