A. The stationary phase is polar compound and the mobile phase is a non-polar solvent
B. The direction of flow of the mobile phase is reversed
C. The stationary phase is a non-polar compound and the mobile phase is a polar solvent
D. Pre-derivatisation is done to less polar compound
Answer: Option C
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The radio frequency radiation is associated with
A. Light consisting of one color only
B. Nuclear magnetic resonance
C. Gas chromatography
D. Non-aqueous titration
Detector used specifically in gas chromatography for halogen containing compounds is
A. Electron capture detector
B. Flame ionization detector
C. Katharometer
D. Thermal conductivity detector
Xenon arc lamp is the source of light in
A. Spectroflurometer
B. IR spectrometer
C. Flame photometer
D. Calorimeter
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