question_answer 1)

  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? (a) Column chromatography                                       (b) Solvent extraction (c) Distillation                                                                     (d) Thin layer chromatography

Answer:

  (d) Thin layer chromatography is used to separate the components present in small amount of the sample.