Gas Chromatography Which of the following are not used as stationary phases in a GC column? Cyclodextrins Silica None are used as stationary phases Polysiloxanes Cyclodextrins Silica None are used as stationary phases Polysiloxanes ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the statements is correct? 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 Gas chromatography is used to analyse gases All of these ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Helium is generally preferred as carrier gas over nitrogen and hydrogen because it doubles up as a party gas for balloons and funny voices it has a lower viscosity all of above it is inert it doubles up as a party gas for balloons and funny voices it has a lower viscosity all of above it is inert ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What are the benefits of decreasing the column internal diameter? Increased sample capacity All of these Reduced risk of column overloading Increased resolution Increased sample capacity All of these Reduced risk of column overloading Increased resolution ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following gases is unsuitable for use as a GC carrier gas? Nitrogen Helium Oxygen All of these Nitrogen Helium Oxygen All of these ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following detectors give concentration-dependent signals? All of these Electron-capture detector Thermal conductivity Infra-red detector All of these Electron-capture detector Thermal conductivity Infra-red detector ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS