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प्रश्न
Define the Stationary phase.
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उत्तर
Stationary phase is a solid or a liquid supported on a solid which remains fixed in a place and on which different solutes are adsorbed to a different extent.
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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.
What is chromatography?
What are the advantages of chromatography?
Name the simplest type of chromatography?
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What is meant by stationary phase and mobile phase in chromatography?
Select the correct alternative from the choices given for the following statement:
In chromatography the filter paper is
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
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- 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.
Give names of two materials used as stationary phase in chromatography.
Name the different types of Chromatography and explain the principles underlying them.
Compare TLC and Paper Chromatography techniques.
Label the diagram and explain the process in your words.
Chromatography is based on the principle of ______.
The principle involved in paper chromatography is ______.
What is paper chromatography?
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 ______.
Complex mixtures are separated by ______.
In chromatography, the mobile phase is usually ______.
Who first described the method of chromatography?
