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Question

A solid-solid mixture is made up of components which differ by weight. Which amongst the following method can be used to separate the components of the mixture?

A
Sedimentation
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B
Decantation
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C
Winnowing
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D
Sublimation
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Solution

The correct option is C Winnowing
Winnowing is a technique used to separate substances based on the difference in weights of the constituent component.
For example, it is used for separating grains from unwanted husk. This is done by pouring grains from a certain height. Husk being lighter is blown away by air, while the grains fall down on the ground.

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