Gas Chromatography In column switching chromatography the flow to the column is switched on and off repeatedly compounds trapped on one column are eluted to another column any of the above one column is removed and replaced by another the flow to the column is switched on and off repeatedly compounds trapped on one column are eluted to another column any of the above one column is removed and replaced by another ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Helium is generally preferred as carrier gas over nitrogen and hydrogen because it has a lower viscosity it doubles up as a party gas for balloons and funny voices it is inert all of above it has a lower viscosity it doubles up as a party gas for balloons and funny voices it is inert all of above ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Split injection is carried out by None of these splitting off some of the sample so that it does not enter the column splitting the sample into smaller portions to inject sequentially splitting the sample into smaller portions to inject at the same time through parallel ports None of these splitting off some of the sample so that it does not enter the column splitting the sample into smaller portions to inject sequentially splitting the sample into smaller portions to inject at the same time through parallel ports ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following detectors give concentration-dependent signals? Electron-capture detector All of these Thermal conductivity Infra-red detector Electron-capture detector All of these Thermal conductivity Infra-red detector ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography The column is heated to all of these reduce band broadening to get sharper peaks prevent analyte condensation within the column control elution of the different analytes all of these reduce band broadening to get sharper peaks prevent analyte condensation within the column control elution of the different analytes ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the statements is correct? Gas chromatography is used to analyse gases, solutions and solids All of these Gas chromatography is used to analyse solids Gas chromatography is used to analyse gases Gas chromatography is used to analyse gases, solutions and solids All of these Gas chromatography is used to analyse solids Gas chromatography is used to analyse gases ANSWER DOWNLOAD EXAMIANS APP