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प्रश्न
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?
पर्याय
Column chromatography
Solvent extraction
Distillation
Thin layer chromatography
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उत्तर
Thin layer chromatography
Explanation:
Thin layer chromatography (TLC) is used to separate the pigments present in ink.
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संबंधित प्रश्न
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?
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.
Dyes of an ink
- Give the principle involved in the separation of the mixture
- Give the technique of separation of the mixture.
Give names of two materials used as stationary phase in chromatography.
Define the Stationary phase.
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 ______.
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 ______.
In chromatography, which of the following statement is INCORRECT for Rf?
