Q. Given below is the diagram of liquid membrane electrode. Identify the unmarked component.

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Q. Given below is the block diagram of digital pH meter. Identify the unmarked component.

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Q. Given below is the diagram of glass electrode. Identify the unmarked component.

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Q. Given below is a diagram of hydrogen electrode. Identify the unmarked component.

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Q. Blank use compensates for the effect of temperature variation.

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Q. During the first sequence of the process, sample is added at the last.

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Q. What will be the final colour of the solution obtained during silica analysis?

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Q. How will the photodetector output be if silica content is high in a solution?

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Q. Which of the following statements are true?

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Q. If the differential amplifier gives a negative output then it infers which of the following (Reference output is given to the positive terminal and sample output is given to the negative terminal)?

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Q. If the differential amplifier gives a positive output then it infers which of the following (Reference output is given to the positive terminal and sample output is given to the negative terminal)?

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Q. If the differential amplifier gives zero as output then it infers which of the following (Reference output is given to the positive terminal and sample output is given to the negative terminal)?

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Q. The output from both the detectors is given to which of the following devices?

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Q. Which of the following detectors are used in silica analyser?

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Q. Which of the following is not added to the sample during analysis during silica analysis?

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Q. Which of the following principles are used in silica analyser?

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Q. Presence of sodium sulphate in water causes corrosion in boilers.

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Q. Cleaning process gives accuracy and long life.

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Q. The output of the electrode in sodium analyser is proportional to which of the following parameters?

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Q. In which part of the apparatus is the reference and ion selective electrodes placed?

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