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Q.

Is it true that a mixture of wheat grains and rice flakes can be separated by winnowing?


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a

True

b

False 

answer is A.

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Detailed Solution

 The above statement is true.
Winnowing is the process of separating lighter particles from heavier particles through the flow of air. It is based on the principle of different weights of components of a mixture and the rate of wind and air. It is commonly used for separating heavier seeds and grains from husks. Similarly, rice flakes are lighter than wheat grains, so they both can be separated by winnowing.
 
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