Chromatography
Chromatography Quiz Crafted by-
Akshita Verma
Lecturer
Department of Forensic Science
Jain (deemed-to-be) University, Bangalore
Let’s have a look on answers of the quiz questions.
Que 1. Chromatography, the “the color writing” was first employed by which Russian Scientist in 1900?
a) Mikhail Tsvet
b) Archer John Porter Martin
c) Richard Willstatter
d) Richard Laurence Millington Synge
Answer: a) Mikhail Tsvet
Que 2. Characteristic
feature of any form of chromatography is?
a) Use of molecules that are soluble in water
b) Use of an inert carrier gas
c) Use of a mobile and a stationary phase
d) Calculation of an Rf value for the molecules separate
Answer: c) Use of a mobile and a stationary phase
Que 3. Which of the
following is not the principle of Chromatography?
a) Adsorption
b) Absorption
c) Affinity
d) Partition
Answer: b) Absorption
Que 4. Removal of
water or other solvents through the TLC plate is called as?
a) Elution
b) Adsorption
c) Diffusion
d) Activation
Answer: d) Activation
Que 5. The
sensitivity of TLC is of the order?
a) Milligram
b) Microgram
c) Nanogram
d) Picogram
Answer: b) Microgram
Que 6. In which type
of chromatography, the stationary phase held in a narrow tube and the mobile
phase is forced through it under pressure?
a) Column chromatography
b) Planar chromatography
c) Liquid chromatography
d) Gas chromatography
Answer: a) Column chromatography
Que 7. Paper
Chromatography generally uses?
a) One phase solvent system
b) Two phase solvent system
c) Three phase solvent system
d) All of the above
Answer: a) One phase solvent system
Que 8. Which of the
following cannot be used as adsorbent in Column adsorption chromatography?
a) Magnesium oxide
b) Silica gel
c) Activated alumina
d) Potassium permanganate
Answer: d) Potassium permanganate
Que 9. If the mobile
phase is gas, movement of solute is determined by its?
a) Melting point
b) Boiling point
c) Volatility
d) Solubility
Answer: c) Volatility
Que 10. In reverse
phase chromatography, the stationary phase is made?
a) Polar
b) Non polar
c) Both
d) None
Answer: b) Non polar
Que 11. The process of
passing a mobile phase through a chromatography column is called as?
a) Flushing
b) Washing
c) Elution
d) Partitioning
Answer: c) Elution
Que 12. Most modern
sample injection system in HPLC is?
a) Microvolume sampling valve
b) Syringe injection
c) Stop flow injection
d) All of the above
Answer: a) Microvolume sampling valve
Que 13. Which
chromatography is using a salt gradient or a pH gradient?
a) Ion exchange chromatography
b) High Performance Liquid Chromatography
c) Thin Layer Chromatography
d) Gas Chromatography
Answer: a) Ion exchange chromatography
Que 14. Thermostat in HPLC regulate the temperature of
a) Solvent Reservoir
b) Column
c) Detector
d) Sample inlet
Answer: b) Column
Que 15. The gradient
elution in HPLC is one in which the component of solvent?
a) Remains constant
b) Changes continuously or in series of step
c) Both of the above
d) None of the above
Answer: b) Changes continuously or in series of step