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Question

During hearing of a court case, the judge suspected that some changes in the documents had been carried out. He asked for the forensic department to check the ink used at two different places. According to you which technique can give the best result?

A

Column chromatography

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B

Solvent extraction

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C

Distillation

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D

Thin layer chromatography

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Solution

The correct option is D Thin layer chromatography
Thin layer chromatography (TLC) is used to separate the pigments present in ink (as it can be used to separate the components present in a small amount of the sample).

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