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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?
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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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