1.

Most distillation columns are designed for reflux ratio between

A. 3 to 5 R<sub>min</sub>
B. 1.2 and 1 .7 R<sub>min</sub>
C. 2 to 10 R<sub>min</sub>
D. 0.2 to 0.7 R<sub>min</sub>
Answer» C. 2 to 10 R<sub>min</sub>


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