HPLC For a typical adsorbent such as silica gel, the most popular pore diameters are 10 and 50 A° 100 and 150 A° 60 and 100 A° 150 and 200 A° 10 and 50 A° 100 and 150 A° 60 and 100 A° 150 and 200 A° ANSWER DOWNLOAD EXAMIANS APP
HPLC An eluotropic series ranks column packing material by their relative abilities to retain solutes on the column None of these ranks solvents by their relative abilities to displace solutes from a given absorbent is a measure of the solvent adsorption energy ranks column packing material by their relative abilities to retain solutes on the column None of these ranks solvents by their relative abilities to displace solutes from a given absorbent is a measure of the solvent adsorption energy ANSWER DOWNLOAD EXAMIANS APP
HPLC The eluent strength is a measure of solvent diffusivity solvent adsorption energy solvent absorption energy solvent mixing index solvent diffusivity solvent adsorption energy solvent absorption energy solvent mixing index ANSWER DOWNLOAD EXAMIANS APP
HPLC HPLC methods include ion exchange and size exclusion chromatography liquid/solid (adsorption) chromatography liquid/liquid (partition) chromatography All of these ion exchange and size exclusion chromatography liquid/solid (adsorption) chromatography liquid/liquid (partition) chromatography All of these ANSWER DOWNLOAD EXAMIANS APP
HPLC A gradient elution in HPLC is one in which the composition of the solvent remains constant is changed continuously or in a series of steps both (a) and (b) None of these remains constant is changed continuously or in a series of steps both (a) and (b) None of these ANSWER DOWNLOAD EXAMIANS APP
HPLC In reversed phase HPLC, there is a polar solvent/non-polar column any of the above non polar solvent/non-polar column non polar solvent/polar column polar solvent/non-polar column any of the above non polar solvent/non-polar column non polar solvent/polar column ANSWER DOWNLOAD EXAMIANS APP
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