Gas Chromatography What are the benefits of decreasing the column internal diameter? All of these Reduced risk of column overloading Increased sample capacity Increased resolution All of these Reduced risk of column overloading Increased sample capacity Increased resolution ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following is not used for detection in GC? Infrared spectroscopy Flame ionisation NMR Electrical conductivity Infrared spectroscopy Flame ionisation NMR Electrical conductivity ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Theoretical plates are used to measure the distribution of the analyte between mobile and stationary phases None of these estimate the efficiency of a column determine the thickness of the stationary phase measure the distribution of the analyte between mobile and stationary phases None of these estimate the efficiency of a column determine the thickness of the stationary phase ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography A retention gap is placed between the injector and the front of the column to retain the sample and release it gradually to the column prevent backflush of the injected solution retain contaminants and prevent them from reaching the column All of these retain the sample and release it gradually to the column prevent backflush of the injected solution retain contaminants and prevent them from reaching the column All of these ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following detectors give concentration-dependent signals? All of these Thermal conductivity Electron-capture detector Infra-red detector All of these Thermal conductivity Electron-capture detector Infra-red detector 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
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