Gas Chromatography Which of the following detectors give concentration-dependent signals? Thermal conductivity All of these Infra-red detector Electron-capture detector Thermal conductivity All of these Infra-red detector Electron-capture detector ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Derivatisation of a sample is carried out to reduce polarity of the analytes All of these increase volatility of the analytes increase the detector response reduce polarity of the analytes All of these increase volatility of the analytes increase the detector response 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 Sample retention in the column is measured by retention index all of these retention time retention factor retention index all of these retention time retention factor ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Theoretical plates are used to estimate the efficiency of a column determine the thickness of the stationary phase measure the distribution of the analyte between mobile and stationary phases None of these estimate the efficiency of a column determine the thickness of the stationary phase measure the distribution of the analyte between mobile and stationary phases None of these ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Headspace analysis is carried out in order to determine non-volatiles determine the psychological state of the tutor analyse the column contents ahead of the sample analyse volatile compounds from solid or liquid samples determine non-volatiles determine the psychological state of the tutor analyse the column contents ahead of the sample analyse volatile compounds from solid or liquid samples ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS