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Pick out the correct statement. | |
A. | In case of liquid-liquid extraction, no separation is possible, if the selectivity of the solvent used is unity. [Wrong Answer] |
B. | With increase in temperature, the selectivity of the solvent used in solvent extraction decreases. [Wrong Answer] |
C. | The selectivity of solvent used in solvent extraction is unity at the plait point. [Wrong Answer] |
D. | all (a), (b) and (c). [Correct Answer] |