Gas Chromatography Resolution is proportional to the 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 square of the number of theoretical plates in a column ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following detectors give concentration-dependent signals? All of these Electron-capture detector Infra-red detector Thermal conductivity All of these Electron-capture detector Infra-red detector Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the statements is correct? Gas chromatography is used to analyse gases, solutions and solids Gas chromatography is used to analyse solids Gas chromatography is used to analyse gases All of these Gas chromatography is used to analyse gases, solutions and solids Gas chromatography is used to analyse solids Gas chromatography is used to analyse gases All of these ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What useful information can be found from a Van Deemter plot? Optimum column temperature Optimum mobile phase flow rate Optimum column length The selectivity factor Optimum column temperature Optimum mobile phase flow rate Optimum column length The selectivity factor ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following are not used as stationary phases in a GC column? Polysiloxanes None are used as stationary phases Cyclodextrins Silica Polysiloxanes None are used as stationary phases Cyclodextrins Silica ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Headspace analysis is carried out in order to analyse volatile compounds from solid or liquid samples determine non-volatiles analyse the column contents ahead of the sample determine the psychological state of the tutor analyse volatile compounds from solid or liquid samples determine non-volatiles analyse the column contents ahead of the sample determine the psychological state of the tutor ANSWER DOWNLOAD EXAMIANS APP