Which of the following is not a failure in pH meters? Options: A . &nbspDefective electrodes B . &nbspDefective input circuitry C . &nbspDefective electronic circuitry D . &nbspDefective calibration

Which of the following is not a failure in pH meters?

Question

Which of the following is not a failure in pH meters?

Options:

A . Defective electrodes

B . Defective input circuitry

C . Defective electronic circuitry

D . Defective calibration

Answer: Option D
Answer: (d).Defective calibration

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