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.
The best and latest technique for isolation, purification and separation of organic compounds is ______.
Name the simplest type of chromatography?
On what principle is Chromatography method based?
What is meant by stationary phase and mobile phase in chromatography?
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.
State the correct technique for the separation of the following mixture.
solid constituents in a liquid constituent by adsorption.
Give a reason for the following statement:
In chromatography the absorbent medium e.g. What man filter paper is known as the stationary phase.
Choose the correct option.
Colourless components on chromatogram can not be observed by the following:
Define the Stationary phase.
How do you visualize colourless compounds after separation in TLC and Paper Chromatography?
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?
What is paper chromatography?
Paper chromatography is ______.
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?
Complex mixtures are separated by ______.
What is the function of the stationary phase in chromatography?
In chromatography, the mobile phase is usually ______.
Who first described the method of chromatography?
