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

  • question_answer
      Name the technique used to separate dyes in blue-black ink (ii) camphor and sand (iii) different gases from air (iv) butter from cream

    Answer:

                      (i) Chromatography                                        (1/2) (ii) Sublimation                                  (1/2) (iii) Fractional distillation                               (1/2) (iv) Centrifugation                                           (1/2)


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