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CHROMATOGRAPHY

Chromatography
Thin layer chromatography is

adsorption chromatography
partition chromatography
None of these
electrical mobility of ionic species

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Chromatography
In gas chromatography, the basis for separation of the components of the volatile material is the difference in

molarity
partition coefficients
molecular weight
conductivity

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Chromatography
In reverse phase chromatography, the stationary phase is made

non-polar
either non-polar or polar
polar
none of these

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Chromatography
Ion exchange chromatography is based on the

electrostatic attraction
electrical mobility of ionic species
partition chromatography
adsorption chromatography

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Chromatography
The general expression for the appearance of a solute in an effluent is (where V is the elution volume of a substance , V0 void volume, kD distribution constant and Vi internal water volume)

V = V0 - kDVi
V = V0 + kDVi
V/V0 = kDVi
V = V0/Vi

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