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  1. Iodine can be separated from a mixture of Iodine and Potassium Chloride by

  2. A.

     Sedimentation

    B.

     Filtration

    C.

     Sublimation

    D.

     Distillation

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    Answer : Option C

    Explanation :

    Iodine is well known to sublime (change from solid to gas without becoming liquid inbetween) when heated. However sodium chloride has a melting point much higher than that of iodine. Therefore, a mixture of iodine and sodium chloride can be separated by using a sublimation apparatus, with solid iodine collected by condensation on a cold surface.


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