9th Class Science Is Matter Around Us Pure Question Bank 9th CBSE Science Is Matter Around Us Pure

  • question_answer
      Define chromatography and give its one application.

    Answer:

                   Chromatography is a technique used for the separation of a mixture solutes brought about by distribution of dissolved material between two immiscible phases, one of which is mobile phase and the other part stationary phase. It is useful in forensic science to detect and identify trace amounts of substances in the contents of bladder or stomach.


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