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Question
A mixture contains two solids A and B. Solid A is light in weight while solid B is very heavy. Their sizes are almost the same. Here, A is the unwanted component. To get pure solid B, which separation method would you suggest?
A mixture contains two solids A and B. Solid A is light in weight while solid B is very heavy. Their sizes are almost the same. Here, A is the unwanted component. To get pure solid B, which separation method would you suggest?
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Solution
The correct option is B Winnowing
Winnowing
is a farming method
developed by ancient people for separating grain from the chaff. It is also used to
remove weevils or other pests from stored grain. Threshing, which is the
loosening of grain or seeds from the husks and straw, comes beforewinnowing. It is used for heterogeneous solid-solid mixtures.
Winnowing is a farming method developed by ancient people for separating grain from the chaff. It is also used to remove weevils or other pests from stored grain. Threshing, which is the loosening of grain or seeds from the husks and straw, comes beforewinnowing. It is used for heterogeneous solid-solid mixtures.
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