HPLC An isocratic elution in HPLC is one in which the composition of the solvent changes continuously changes in a series of steps none of these remains constant changes continuously changes in a series of steps none of these remains constant ANSWER DOWNLOAD EXAMIANS APP
HPLC In reversed phase HPLC, there is a polar solvent/non-polar column non polar solvent/polar column non polar solvent/non-polar column any of the above polar solvent/non-polar column non polar solvent/polar column non polar solvent/non-polar column any of the above ANSWER DOWNLOAD EXAMIANS APP
HPLC Dwell volume is defined as 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 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 none of these ANSWER DOWNLOAD EXAMIANS APP
HPLC In normal phase HPLC, there is a non polar solvent/polar column any of the above polar solvent/non-polar column non polar solvent/non-polar column non polar solvent/polar column any of the above polar solvent/non-polar column non polar solvent/non-polar column ANSWER DOWNLOAD EXAMIANS APP
HPLC Which can be used as a mobile phase in HPLC applications? Any compound with solubility in liquid Any of the above Any compound with non-solubility in liquid Any compound with limited solubility in liquid Any compound with solubility in liquid Any of the above Any compound with non-solubility in liquid Any compound with limited solubility in liquid ANSWER DOWNLOAD EXAMIANS APP
HPLC An eluotropic series ranks solvents by their relative abilities to displace solutes from a given absorbent is a measure of the solvent adsorption energy None of these ranks column packing material by their relative abilities to retain solutes on the column ranks solvents by their relative abilities to displace solutes from a given absorbent is a measure of the solvent adsorption energy None of these ranks column packing material by their relative abilities to retain solutes on the column ANSWER DOWNLOAD EXAMIANS APP
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