Chromatography

What is chromatography?

• Separation method based on gravity

• Separation method based on polarity

• Extraction method

What is the most important factors in chromatography?

• Mobile phase

• Stationary phase

• Partition

• Retention time

Chromatography can be used for separation in lab and industry

• True

• False

Which one is stationary phase?

• Methanol

• Silica gel

• Hexane

Classification of chromatography based of mobile phase

• Liquid chromatography

• Gas chromatography

• Solid Chromatography

The following is something we need to consider for choosing mobile phase except

• Polarity interaction

• Eluotropic series

• Polarity prediction of mixed solvent

• Stationary phase

Two dimentional chromatography can be devided into

• Two

• Three

• Four

The last drop from column cromatography is

• Non polar

• Polar

• Semi polar

Which one is industry commonly using chromatography?

• Pharmaceutical

• Food

• Construction

Retention factor can be used for

• Indentifcation unknown compound

• Polarity compound

• None of above