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in Fermentation Technology by (72.1k points)
Which of the following stirrer is used to mix the contents of hypovials?

(a) Electrical stirrer

(b) Magnetic stirrer

(c) Mechanical stirrer

(d) Automatic stirrer

The question was posed to me during a job interview.

My query is from Laboratory Fermentation System in section Fermentation System & Management of Fermentation Technology

1 Answer

+1 vote
by (424k points)
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Best answer
Correct choice is (b) Magnetic stirrer

Easy explanation: The contents of the hypovials are mixed using magnetic stirrers. The magnetic follower or stirrer employs a rotating magnetic field to mix the contents uniformly. Before using, the vials are sterilized properly using an autoclave.

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