Q. While using reference electrodes, the internal liquid level should always be kept above that of the sample solution.

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Q. Which of the following salt bridge solutions must be used for silver/silver chloride electrode?

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Q. LiCl salt bridge is more suitable in organic solvents than KCl.

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Q. In combination electrode, which of the following electrodes are built together?

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Q. Which of the following reference electrodes are used as internal and external reference electrodes in combination electrodes?

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Q. The reference electrodes in combination electrodes are protected against light using which of the following?

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Q. Combination electrodes containing the electrolyte in gel format have which of the following advantages over normal ones?

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Q. Which of the following is not the advantage of gel-filled electrodes?

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Q. Good choice for storing combination electrodes is in a buffer solution having which of the following pH?

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Q. The gel used in combination electrodes does not have which of the following characteristic?

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Q. Beckman coulter gel filled combination electrodes provide which of the following features to overcome various problems that occur in gel filled electrodes?

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Q. In which of the following solutions must combination electrodes be soaked after cleaning?

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Q. Gel filled combination electrodes operate in a wide temperature range.

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Q. In combination electrodes, both the electrodes must be maintained at different temperatures.

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Q. pH meters can be considered as voltage sources with which of the following internal resistances?

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Q. The electrodes used in pH measurement have which of the following internal resistances?

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

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Q. Which of the following is the simplest of pH meters?

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Q. In which of the following ways can zero drift be reduced in pH meters?

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Q. Which of the following can be used to provide automatic temperature compensation?

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