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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?
विकल्प
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
What is chromatography?
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.
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.
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 ______.
In chromatography, which of the following statement is INCORRECT for Rf?
Complex mixtures are separated by ______.
Which basic principle is used in chromatography?
Who first described the method of chromatography?
