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

  • question_answer
      Define sublimation. Name two solids that sublime on heating.

    Answer:

                      It is the process where a solid changes directly into vapours without going in liquid state, e.g., iodine, ammonium chloride, camphor etc.                                                    (1+1/2+1/2)


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