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

  • question_answer
    By which method can ammonium chloride be separated from sand?

    A)  By hand picking

    B)         By filtration

    C)  By sublimation   

    D)  By diffusion

    Correct Answer: C

    Solution :

     Ammonium chloride sublimes (directly becomes vapour) on heating leaving behind the sand. The vapours can be collected and cooled to get ammonium chloride separately.


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