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

  • question_answer
      How can we obtain different gases from air?  

    Answer:

                      (i) A solution of salt in water?evaporation or distillation (ii) A mixture of water and alcohol?fractional distillation (iii) A mixture of oil and water?using a separating funnel (iv) A mixture of sand and ammonium chloride ?sublimation (v) A mixture of dyes ?chromatography


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