Q. How many possible orientations do spin 1/2 nuclei have when they are located in an applied magnetic field?

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Q. In immunofluroscence microscopy, fluroscent compounds are attached to

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Q. An FT-IR instrument record a signal in the

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Q. When radiation energy is absorbed by a spin 1/2 nucleus in a magnetic field, what happens?

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Q. Which of the following is the basis of first dimension of separation for two-dimensional electrophoresis?

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Q. What is meant by rotating frame of reference?

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Q. The sequence of amino acids in proteins can be determined by means of

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Q. Why is it advantageous to record many FID signals from the same sample and then add them together?

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Q. In FT-NMR, how are nuclei excited?

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Q. Negative staining is a technique used in

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Q. What is the typical internal diameter of fused silica capillary columns?

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Q. Resolution is proportional to the

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Q. Derivatisation of a sample is carried out to

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Q. Which of the statements is correct?

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Q. In column switching chromatography

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Q. Which of the following gases is unsuitable for use as a GC carrier gas?

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Q. Which of the following is not used for detection in GC?

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Q. Which of these effects result from slow injection of a large sample volume?

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Q. The GC trace obtained after an experiment is called a

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Q. Which of the following detectors give concentration-dependent signals?

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