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Which of the following statement is true?
A
The relative lowering of vapour pressure of a solution is equal to the mole fraction of the solute present in the solution.
B
Passage of solute molecules towards solution side through semipermeable membrane is osmosis.
C
The boiling point of solution is always lower than the solvent.
D
The boiling point of a liquid is the temperature at which its vapour pressure becomes equal to 260 mm.
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