Q1-Choose the BEST answer for the following questions. Mark(25)
1. Which of the following steps takes place after injection of feed in Column chromatography?
a) Detection of components
b) Separation in the column
c) Elution from the column
d) Collection of eluted component
2. -The mobile phase can be :
a) gas only
b) Liquid only
c) solid
d) gas and liquid
3. In chromatography, the stationary phase can be __________ supported on a solid.
a) Solid or liquid
b) Liquid or gas
c) Solid only
d) Liquid only
4- Chromatogram is?
a) Solute concentration vs Elution time
b) Solute concentration vs Elution volume
c) A and B
d) None of the above
5- Which of the following is the distance that the solute moves while undergoing one partition?
a) Retention distance
b) Distribution constant
c) Plate height
d) Column packing length