Chromatography Flashcards
1
Q
Chromatography:
A
To separate and identify a mixture of dyes, amino acids or sugars
2
Q
RF value:
A
The distance travelled by the component / The distance travelled by the solvent front
3
Q
What do you do if the mixture contains colourless compounds?
A
Spray it with a locating agent
4
Q
In which method of separation is RF values used? A. Filteration B. Diffusion C. Chromatography D. Crystalisation
A
C. Chromatography
5
Q
What is the unit for the RF value?
A
There is no unit :)
6
Q
When should the paper be removed from the beaker?
A
When it reaches the solvent front
