Gas Chromatography Which of the statements is correct? Gas chromatography is used to analyse solids All of these Gas chromatography is used to analyse gases, solutions and solids Gas chromatography is used to analyse gases Gas chromatography is used to analyse solids All of these Gas chromatography is used to analyse gases, solutions and solids Gas chromatography is used to analyse gases 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 In column switching chromatography any of the above compounds trapped on one column are eluted to another column the flow to the column is switched on and off repeatedly one column is removed and replaced by another any of the above compounds trapped on one column are eluted to another column the flow to the column is switched on and off repeatedly one column is removed and replaced by another 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 determine the thickness of the stationary phase estimate the efficiency of a column measure the distribution of the analyte between mobile and stationary phases None of these determine the thickness of the stationary phase estimate the efficiency of a column 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 Derivatisation of a sample is carried out to increase the detector response reduce polarity of the analytes increase volatility of the analytes All of these increase the detector response reduce polarity of the analytes increase volatility of the analytes All of these ANSWER DOWNLOAD EXAMIANS APP
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