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Question
In villages, we can see that women separate the grains from the chaff by throwing the grains from a certain height to fall back into a vessel.What is this process? Explain.[3 MARKS]
In villages, we can see that women separate the grains from the chaff by throwing the grains from a certain height to fall back into a vessel.What is this process? Explain.[3 MARKS]
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Solution
What : [1 Mark]
Explain : [2 Marks]
This process is called Winnowing.
It is one of the separation methods. It is used to separate heavier and lighter components of a mixture. It involves blowing wind through the mixture, it blows away the lighter chaff, while the heavier grains fall back for recovery forming two distinguishable and separate heaps.
What : [1 Mark]
Explain : [2 Marks]
This process is called Winnowing.
It is one of the separation methods. It is used to separate heavier and lighter components of a mixture. It involves blowing wind through the mixture, it blows away the lighter chaff, while the heavier grains fall back for recovery forming two distinguishable and separate heaps.
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