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If an instrument fails to balance at zero, it is most likely that the electrodes are defective.

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in Analytical Instrumentation by (131k points)
If an instrument fails to balance at zero, it is most likely that the electrodes are defective.

(a) True

(b) False

I had been asked this question in an interview for internship.

The origin of the question is pH Meters in chapter pH Meters and Ion Analysers of Analytical Instrumentation

1 Answer

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Correct choice is (b) False

Easy explanation: If an instrument fails to balance at zero, it is most likely that the electronic circuitry is defective. Errors may also occur due to leakage of capacitance.

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