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1. |
If a1 and a2 are the relative volatilities when the pressure in the distillation column is 1 and 2 atm respectively. Pick out the correct statement. |
A. | a1 = a2 |
B. | a1 = 2a2 |
C. | a1 = 0.5 a2 |
D. | none of these |
Answer» E. | |