Advertisements
Advertisements
प्रश्न
Give names of two materials used as stationary phase in chromatography.
Advertisements
उत्तर
- Alumina
- Silica gel
APPEARS IN
संबंधित प्रश्न
Which separation technique will you apply for the separation of the following?
Different pigments from an extract of flower petals.
Give a brief description of the principle of the following technique taking an example.
Chromatography
Explain the principle of paper chromatography.
The best and latest technique for isolation, purification and separation of organic compounds is ______.
What are the advantages of chromatography?
On what principle is Chromatography method based?
Select the correct alternative from the choices given for the following statement:
In chromatography the filter paper is
Name the different types of chromatographic techniques.
Give a scientific reason.
In chromatography, the ingredients of a mixture rise up to limited height water rises up to the upper end of the paper.
Dyes of an ink
- Give the principle involved in the separation of the mixture
- Give the technique of separation of the mixture.
Give a reason for the following statement:
In chromatography the absorbent medium e.g. What man filter paper is known as the stationary phase.
Define the Stationary phase.
Name the different types of Chromatography and explain the principles underlying them.
How do you visualize colourless compounds after separation in TLC and Paper Chromatography?
Compare TLC and Paper Chromatography techniques.
Label the diagram and explain the process in your words.
During hearing of a court case, the judge suspected that some changes in the documents had been carried out. He asked the forensic department to check the ink used at two different places. According to you which technique can give the best results?
Paper chromatography is ______.
In chromatography technique, the purification of compound is independent of ______.
The separation of two coloured substances was done by paper chromatography. The distances travelled by solvent front, substance A and substance B from the baseline are 3.25 cm, 2.08 cm and 1.05 cm respectively. The ratio of Rf values of A to B is ______.
Which one of the following techniques is not used to spot components of a mixture separated on thin layer chromatographic plate?
In chromatography, which of the following statement is INCORRECT for Rf?
