Q. Column efficiency is measured in terms of number of plates which is

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Q. For a typical adsorbent such as silica gel, the most popular pore diameters are

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Q. An isocratic elution in HPLC is one in which the composition of the solvent

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Q. In reversed phase HPLC, there is a

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Q. Which of the following statements is true for a refractive index detector in HPLC?

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Q. A gradient elution in HPLC is one in which the composition of the solvent

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Q. An eluotropic series

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Q. Dwell volume is defined as

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Q. Void volume refers to the

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Q. In normal phase HPLC, there is a

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Q. Which of the following(s) is/are the advantage of HPLC over traditional LPLC (low-pressure liquid chromatography)?

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Q. Which can be used as a mobile phase in HPLC applications?

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Q. What is shielding in NMR?

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Q. What is used to cool the superconducting coil?

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Q. Coupling causes the peaks in 1H NMR spectra to be split into

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Q. When placed in a magnetic field, all the random spins of the nuclei

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Q. Better understanding of the nuclei is possible,

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Q. All hydrogen atoms

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Q. Why is it important to use a deuterated solvent?

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Q. What is the name given to the relaxation process due to an interaction between an excited nucleus and the magnetic fields caused by nuclei in molecules moving around in the sample?

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