Gas Chromatography Which of the following are not used as stationary phases in a GC column? Silica Cyclodextrins None are used as stationary phases Polysiloxanes Silica Cyclodextrins None are used as stationary phases Polysiloxanes ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Resolution is proportional to the square of the number of theoretical plates in a column cube root of the number of theoretical plates in a column square root of the number of theoretical plates in a column number of theoretical plates in a column square of the number of theoretical plates in a column cube root of the number of theoretical plates in a column square root of the number of theoretical plates in a column number of theoretical plates in a column ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What are the benefits of decreasing the column internal diameter? Increased resolution Increased sample capacity All of these Reduced risk of column overloading Increased resolution Increased sample capacity All of these Reduced risk of column overloading ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Derivatisation of a sample is carried out to increase the detector response increase volatility of the analytes reduce polarity of the analytes All of these increase the detector response increase volatility of the analytes reduce polarity of the analytes All of these ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following gases is unsuitable for use as a GC carrier gas? Oxygen Nitrogen Helium All of these Oxygen Nitrogen Helium All of these ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following is not used for detection in GC? NMR Electrical conductivity Infrared spectroscopy Flame ionisation NMR Electrical conductivity Infrared spectroscopy Flame ionisation ANSWER DOWNLOAD EXAMIANS APP
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