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Which of the following is not used for monitoring the pH?

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in Fermentation Technology by (72.1k points)
Which of the following is not used for monitoring the pH?

(a) Glass electrode

(b) Galvanic electrode

(c) Silver electrode

(d) Combined electrode

The question was posed to me in exam.

I would like to ask this question from Instrumentation and Control topic in division Instrumentation and Control of Fermentation Technology

1 Answer

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Right answer is (b) Galvanic electrode

Easiest explanation: The galvanic electrode is used in the measurement of dissolved oxygen. Whereas, glass electrodes, silver electrodes, combined electrodes are used in the measurement of pH of a solution.

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