Q. Which of the following represent the concentration of a solution?

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Q. Sodium selective electrode provides a good response in measurement when the pH is above which of the following values?

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Q. Which of the following are used to free bound ions or liberate bound ions?

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

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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. Cleaning process gives accuracy and long life.

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

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

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

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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. 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 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. Which of the following statements are true?

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

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

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

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

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

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