Gas Chromatography Derivatisation of a sample is carried out to All of these 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 ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Theoretical plates are used to 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 measure the distribution of the analyte between mobile and stationary phases None of these ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography The GC trace obtained after an experiment is called a chromatophore chromatogram chromatograph graph chromatophore chromatogram chromatograph graph ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following is not used for detection in GC? Flame ionisation Electrical conductivity Infrared spectroscopy NMR Flame ionisation Electrical conductivity Infrared spectroscopy NMR ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Sample retention in the column is measured by all of these retention factor retention time retention index all of these retention factor retention time retention index ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What is the typical internal diameter of fused silica capillary columns? 0.3-0.5mm 0.2-0.3 mm 0.5-1.0 mm 1.0-2.0 mm 0.3-0.5mm 0.2-0.3 mm 0.5-1.0 mm 1.0-2.0 mm ANSWER DOWNLOAD EXAMIANS APP
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