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Q.

Which of these can be separated by the method of winnowing?


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a

Kidney beans and chickpeas

b

Pulses and rice

c

Rice flakes and corn

d

All of the above  

answer is C.

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Detailed Solution

 A mixture of rice flakes and corn can be separated by winnowing.
To separate the components of different densities, the method used is known as winnowing. In this process, heavier and lighter components of a mixture are separated by the help of wind or blowing air. Since potato wafers are lighter than biscuits, they can easily be removed by air blow. Similarly, rice flakes are also removed from corn.
 
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