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Gas Chromatography

Gas Chromatography
The GC trace obtained after an experiment is called a

graph
chromatogram
chromatophore
chromatograph

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Gas Chromatography
Sample retention in the column is measured by

retention index
retention factor
retention time
all of these

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Gas Chromatography
What are the benefits of decreasing the column internal diameter?

Increased resolution
All of these
Reduced risk of column overloading
Increased sample capacity

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Gas Chromatography
Which of the following detectors give mass flow-dependent signals?

Electron capture detector
All of these
Field ionisation detector
Thermal conductivity detector

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Gas Chromatography
The column is heated to

reduce band broadening to get sharper peaks
all of these
prevent analyte condensation within the column
control elution of the different analytes

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Gas Chromatography
Derivatisation of a sample is carried out to

increase the detector response
reduce polarity of the analytes
increase volatility of the analytes
All of these

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MORE MCQ ON Gas Chromatography

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