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Is Matter Around Us Pure - 2 (Class IX)
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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
AnswerClick to flip back
A
Only (b)
💡 Explanation:
Some chalk powder settled at the bottom of a beaker filled with water can be separated from water by decantation and filtration. The chalk powder can then be dried out by evaporation.