Answers

2015-11-04T19:33:52+05:30
* When the heavier component in a mixture settles after water is added to it,    the process is called sedimentation.
 * When the water (along with the dust) is removed, the process is called            decantation. 
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2015-11-09T12:55:36+05:30
The process setteling down of the sediment in the water is called sedimentation. it can be made faster by the process of loding in which a block of alum is suspended in water. the process of pouring the upper clear liquid into other container without disturbing the sediments is called decantation
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