HPLC Which of the following(s) is/are the advantage of HPLC over traditional LPLC (low-pressure liquid chromatography)? Greater sensitivity and reusable columns Ideal for ionic species and large molecules All of these Sample recovery Greater sensitivity and reusable columns Ideal for ionic species and large molecules All of these Sample recovery 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 In reversed phase HPLC, there is a any of the above non polar solvent/polar column polar solvent/non-polar column non polar solvent/non-polar column any of the above non polar solvent/polar column polar solvent/non-polar column non polar solvent/non-polar column ANSWER DOWNLOAD EXAMIANS APP
HPLC Which of the following statements is true for a refractive index detector in HPLC? It can only be used for isocratic elutions It does not respond to many solutes It is more sensitive than a UV detector none of above It can only be used for isocratic elutions It does not respond to many solutes It is more sensitive than a UV detector none of above ANSWER DOWNLOAD EXAMIANS APP
HPLC Which can be used as a mobile phase in HPLC applications? Any compound with non-solubility in liquid Any compound with limited solubility in liquid Any of the above Any compound with solubility in liquid Any compound with non-solubility in liquid Any compound with limited solubility in liquid Any of the above Any compound with solubility in liquid ANSWER DOWNLOAD EXAMIANS APP
HPLC A gradient elution in HPLC is one in which the composition of the solvent remains constant None of these both (a) and (b) is changed continuously or in a series of steps remains constant None of these both (a) and (b) is changed continuously or in a series of steps ANSWER DOWNLOAD EXAMIANS APP
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