HPLC Column efficiency is measured in terms of number of plates which is directly related to the square of the peak width 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 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 ANSWER DOWNLOAD EXAMIANS APP
HPLC In normal phase HPLC, there is a non polar solvent/polar column non polar solvent/non-polar column polar solvent/non-polar column any of the above non polar solvent/polar column non polar solvent/non-polar column polar solvent/non-polar column any of the above ANSWER DOWNLOAD EXAMIANS APP
HPLC HPLC stands for High Performance Liquid Chromatography both (a) and (b) Highly Placed Liquid Chromatography High Pressure Liquid Chromatography High Performance Liquid Chromatography both (a) and (b) Highly Placed Liquid Chromatography High Pressure Liquid Chromatography ANSWER DOWNLOAD EXAMIANS APP
HPLC A gradient elution in HPLC is one in which the composition of the solvent is changed continuously or in a series of steps None of these remains constant both (a) and (b) is changed continuously or in a series of steps None of these remains constant both (a) and (b) 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 is a measure of the solvent adsorption energy ranks solvents by their relative abilities to displace solutes from a given absorbent ranks column packing material by their relative abilities to retain solutes on the column None of these is a measure of the solvent adsorption energy ranks solvents by their relative abilities to displace solutes from a given absorbent ANSWER DOWNLOAD EXAMIANS APP
HPLC For a typical adsorbent such as silica gel, the most popular pore diameters are 150 and 200 A° 60 and 100 A° 100 and 150 A° 10 and 50 A° 150 and 200 A° 60 and 100 A° 100 and 150 A° 10 and 50 A° ANSWER DOWNLOAD EXAMIANS APP