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
B. With increase in temperature, the selectivity of the solvent used in solvent extraction decreases
C. The selectivity of solvent used in solvent extraction is unity at the plait point
D. All of the above
Answer: Option D
This Question Belongs to Chemical Engineering >> Mass Transfer
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