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Which of the following sensor is used to measure the acid/alkali addition?

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in Fermentation Technology by (72.1k points)
Which of the following sensor is used to measure the acid/alkali addition?

(a) pH

(b) Redox

(c) Temperature

(d) Oxygen

The question was asked during an interview.

This is a very interesting question from Instrumentation and Control topic in section Instrumentation and Control of Fermentation Technology

1 Answer

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Best answer
Right choice is (a) pH

The best explanation: The pH is defined as the potential of the hydrogen atom. It is used to measure the concentration of hydrogen or hydroxide ions in a solution. pH electrodes are normally used to measure the acid/alkali addition.

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