When the pure solvent diffuses out of the solution through the semi-permeable membrane, then the process is called:
A
Reverse osmosis
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B
Dialysis
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C
Osmosis
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D
Sorption
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Solution
The correct option is A Reverse osmosis When the pure solvent diffuses out of the solution through the semi-permeable membrane then the process is called reverse osmosis. High pressure is applied which forces water from concentrated aqueous solution like sea water to pure water side through the semi-permeable membrane.
a. Osmotic pressure is the external pressure required to be applied so that there is no net movement of solvent across the membrane.
b. Reverse Osmosis is a process where you demineralize or deionize water by pushing it under pressure through a semi-permeable Reverse Osmosis Membrane.
c. In Osmosis when equilibrium is reached, then water stops flowing across the membrane