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

  • question_answer
      Suggest separation technique(s) one would need to employ to separate the following mixtures: (a) Mercury and water (b) Potassium chloride and ammonium chloride (c) Common salt, water and sand (d)Kerosene oil, water and salt.           [NCERT Exemplar]

    Answer:

          (a) Separation by using separating funnel (b) Sublimation (c) Filtration followed by evaporation or centrifugation followed evaporation/distillation (d) Separation by using separating funnel to separate kerosene oil followed by evaporation or distillation.


You need to login to perform this action.
You will be redirected in 3 sec spinner