RAILWAY ENGINEERING QUIZ

changes in a series of steps

changes continuously

remains constant

none of these

None of these

remains constant

is changed continuously or in a series of steps

both (a) and (b)

liquid/solid (adsorption) chromatography

ion exchange and size exclusion chromatography

liquid/liquid (partition) chromatography

All of these

polar solvent/non-polar column

non polar solvent/polar column

any of the above

non polar solvent/non-polar column

none of these

the time required for the gradient to reach the column

the volume of the column between the point at which solvents are mixed and the beginning of the column

the volume of solvent contained in a liquid chromatographic column

none of above

It can only be used for isocratic elutions

It is more sensitive than a UV detector

It does not respond to many solutes

High Pressure Liquid Chromatography

High Performance Liquid Chromatography

Highly Placed Liquid Chromatography

both (a) and (b)

solvent adsorption energy

solvent mixing index

solvent absorption energy

solvent diffusivity

non polar solvent/polar column

any of the above

non polar solvent/non-polar column

polar solvent/non-polar column

directly related to the square of the peak width

inversely related to the square of the peak width

directly related to the square of the peak width

inversely related to the cube root of the peak width