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Question
Name and describe briefly a method which can be helpful in separating a mixture of husk from grains. What is the principle of this method?
Solution
Husk can be separated from grains by the process of winnowing. When the mixture is allowed to fall down from a height, the lighter husk is carried away by air and fall on the ground. This method is based on the principle that in a mixture with components of different weights, the lighter particles are blown away by wind.
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