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

  • question_answer
      While diluting a solution of salt in water, a student by mistake added acetone (boiling point 56°C). What technique can be employed to get back the acetone? Justify your choice.                     [NCERT Exemplar]

    Answer:

                   Distillation is used to get back acetone. We know that boiling point of water is 100°C and since acetone is more volatile it will separate out first.


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