For carrying reverse osmosis for desalination of water, the material used for making semipermeable membrane is:
A
potassium nitrate
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B
parchment membrane
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C
cellulose acetate
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D
cell membrane
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Solution
The correct option is B cellulose acetate Solubility changes with temperature. A plant cell shrinks in hypertonic solution. Relative lowering of vapour pressure is a colligative property.