Is Matter Around Us Pure - 2 (Class IX)

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Multiple Choice

A chalk which is settled at the bottom of a beaker filled with water can be separated from the water by ________ and _____. The chalk can then be dried by ______.
(a) sedimentation and crystallisation; condensation
(b) decantation and filtration, evaporation
(c) filtration and evaporation; crystallisation

  1. Only (a)
  2. Only (b)
  3. Only (b) and (c)
  4. Only (c)
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