sepration of common salt from the sea wnowing threshing
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Explanation:
The salt can be separated from the sea water by a simple process of evaporation. On a commercial scale, large water tanks are built and filled with seawater, then left under the sun for a few days. After a few days it is observed that the water has evaporated and the salt is found at the bottom of that tank.
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Answer:
Among various components of a mixture, there are so many substances, which could be harmful or not useful. To eliminate those harmful or useless components, we should separate them.
Example:
(a) Coffee powder is separated from the liquid with a strainer while preparing a coffee.
(b) Stones are picked out by hand from wheat, rice etc.
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