Question

Why the sand settles down at the bottom in the process of sedimentation?
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Answer 1

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The solid particles which are insoluble in a liquid can be separated by decantation. A mixture of sand and water contains sand particles suspended in water. ... On keeping ,the heavier sand particles will settle down at the bottom of the beaker. This layer of sand is called sediment.

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Answer 2

Answer:

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Explanation:

The solid particles which are insoluble in a liquid can be separated by decantation. A mixture of sand and water contains sand particles suspended in water. ... On keeping ,the heavier sand particles will settle down at the bottom of the beaker. This layer of sand is called sediment.