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

  • question_answer
      Describe any three properties of colloid.                              

    Answer:

          (i) It is a heterogenous mixture. (ii) Size of particles is too small to be seen by naked eye. (iii)They scatter light passing through them making its path visible. (iv) They do not settle down when left undisturbed.                      (v) Cannot be separated by the process of filtration, (any three points)


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