Gas Chromatography Which of the following is not used for detection in GC? NMR Electrical conductivity Flame ionisation Infrared spectroscopy NMR Electrical conductivity Flame ionisation Infrared spectroscopy ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following are not used as stationary phases in a GC column? Polysiloxanes Silica None are used as stationary phases Cyclodextrins Polysiloxanes Silica None are used as stationary phases Cyclodextrins ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the statements is correct? Gas chromatography is used to analyse gases All of these Gas chromatography is used to analyse solids Gas chromatography is used to analyse gases, solutions and solids Gas chromatography is used to analyse gases All of these Gas chromatography is used to analyse solids Gas chromatography is used to analyse gases, solutions and solids ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following detectors give mass flow-dependent signals? Electron capture detector Field ionisation detector Thermal conductivity detector All of these Electron capture detector Field ionisation detector Thermal conductivity detector All of these ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Sample retention in the column is measured by all of these retention index retention time retention factor all of these retention index retention time retention factor ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What does the retention factor, k', describe? The distribution of an analyte between the stationary and the mobile phase The migration rate of an analyte through a column All of these The velocity of the mobile phase The distribution of an analyte between the stationary and the mobile phase The migration rate of an analyte through a column All of these The velocity of the mobile phase ANSWER DOWNLOAD EXAMIANS APP
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