Chemical Process
Brackish water which contains mostly dissolved salt, can be purified by the __________ process.

Lime soda
Sand filter
Reverse osmosis
Permutit

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Chemical Process
Pick out the wrong statement pertaining to solvent extraction of oil.Rate of extraction

Decreases as the moisture content of flakes increases
Increases with the increasing flake size keeping the flake thickness constant
Decreases with decrease of thickness of the flakes
Increases Considerably with the rise of temperature

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