Gas Chromatography The GC trace obtained after an experiment is called a chromatogram chromatophore graph chromatograph chromatogram chromatophore graph chromatograph ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What useful information can be found from a Van Deemter plot? Optimum column temperature Optimum column length The selectivity factor Optimum mobile phase flow rate Optimum column temperature Optimum column length The selectivity factor Optimum mobile phase flow rate ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following are not used as stationary phases in a GC column? None are used as stationary phases Silica Cyclodextrins Polysiloxanes None are used as stationary phases Silica Cyclodextrins Polysiloxanes ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following is not used for detection in GC? Electrical conductivity Flame ionisation Infrared spectroscopy NMR Electrical conductivity Flame ionisation Infrared spectroscopy NMR ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following detectors give concentration-dependent signals? Infra-red detector Electron-capture detector Thermal conductivity All of these Infra-red detector Electron-capture detector Thermal conductivity All of these ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography In column switching chromatography the flow to the column is switched on and off repeatedly compounds trapped on one column are eluted to another column one column is removed and replaced by another any of the above the flow to the column is switched on and off repeatedly compounds trapped on one column are eluted to another column one column is removed and replaced by another any of the above ANSWER DOWNLOAD EXAMIANS APP
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