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Q.

Is it true that a mixture of chalk and water is separated from winnowing?


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a

True

b

False 

answer is B.

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Detailed Solution

The above statement is false.
The process used to separate unwanted wheat grains from chickpeas is winnowing. It is a process used to separate lighter particles from heavy ones with the help of wind. This process does not need any type of machine. Therefore, chalk and water mixture cannot be separated from winnowing.
Sedimentation is settling down heavy solid particles in a mixture at the bottom of the container known as sedimentation. For example, a mixture of chalk and water is separated by sedimentation.
The corrected statement would be, "The mixture of chalk and water is separated using a sedimentation process”.
 
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