28 JULY 2021 CURRENT AFFAIRS QUIZ

the volume of solvent contained in a liquid chromatographic column

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

none of these

solvent diffusivity

solvent adsorption energy

solvent absorption energy

solvent mixing index

100 and 150 A°

10 and 50 A°

60 and 100 A°

150 and 200 A°

non polar solvent/polar column

polar solvent/non-polar column

non polar solvent/non-polar column

any of the above

remains constant

both (a) and (b)

is changed continuously or in a series of steps

None of these

the time required for the gradient to reach the column

the volume of solvent contained in a liquid chromatographic column

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

total volume of eluent in the column the remainder being taken up by the packing material

It can only be used for isocratic elutions

It is more sensitive than a UV detector

none of above

It does not respond to many solutes

inversely related to the cube root of the peak width

inversely related to the square of the peak width

directly related to the square of the peak width

directly related to the square of the peak width

remains constant

changes continuously

changes in a series of steps

none of these

Any compound with solubility in liquid

Any of the above

Any compound with limited solubility in liquid

Any compound with non-solubility in liquid