Gas Chromatography Doubling the column's length increases resolution by a factor of 4 2 (2)0.5 3 4 2 (2)0.5 3 ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the statements is correct? 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 Gas chromatography is used to analyse solids Gas chromatography is used to analyse gases, solutions and solids ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography What does the retention factor, k', describe? All of these The distribution of an analyte between the stationary and the mobile phase The migration rate of an analyte through a column The velocity of the mobile phase All of these The distribution of an analyte between the stationary and the mobile phase The migration rate of an analyte through a column The velocity of the mobile phase ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Theoretical plates are used to None of these measure the distribution of the analyte between mobile and stationary phases determine the thickness of the stationary phase estimate the efficiency of a column None of these measure the distribution of the analyte between mobile and stationary phases determine the thickness of the stationary phase estimate the efficiency of a column ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following is not used for detection in GC? Flame ionisation NMR Electrical conductivity Infrared spectroscopy Flame ionisation NMR Electrical conductivity Infrared spectroscopy ANSWER DOWNLOAD EXAMIANS APP
Gas Chromatography Which of the following gases is unsuitable for use as a GC carrier gas? Nitrogen All of these Oxygen Helium Nitrogen All of these Oxygen Helium ANSWER DOWNLOAD EXAMIANS APP
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