Chromatography Quiz

Who devised chromatography in 1900?

• Michael Tsvet

• Christian Friedrich Schonbein

• Anisaldehyde

• Keiselghur

Which chromatography type uses cellulose fibers as the stationary phase?

• Gel-permeation chromatography

• Ion-exchange chromatography

• Thin-layer chromatography

• Partition Paper Chromatography

What is the principle of separation in paper chromatography?

• Absorption

• Partition

• Desorption

• Adsorption

What is the purpose of column chromatography?

• To detect compounds using UV light

• To analyze pH changes

• To measure conductivity

• To separate gram quantities of material

What is the ideal technique for column packing in column chromatography?

• Vacuum Liquid Chromatography

• High Performance Liquid Chromatography

• Slurry packing (Wet method)

• Dry packing

What is the purpose of eluting the sample in column chromatography?

• To detect compounds using UV light

• To measure changes in conductivity

• To separate sample components by passing eluant through the column

• To analyze pH changes

What is the effect of increasing the temperature in column chromatography?

• 
  

  Reduces adsorption power of the stationary phase

• Increases elution speed

• Improves separation efficiency

• Decreases flow rate

What is the basis of separation in Gas Liquid Chromatography (GLC)?

• Difference in molecular weight

• Difference in Size

• Difference in partition coefficient

• Difference in shape

What is the heart of Gas Liquid Chromatography (GLC)?

• Column

• Pressure pump

• Detector

• Gas

What is the purpose of a column oven in Gas Liquid Chromatography (GLC)?

• To generate carrier gas

• To analyze samples

• To detect compounds

• To ensure precise control of temperature