Pick out the wrong statement.

Question

Options:

A . With decrease in feed temperature, the number of plates required for binary distillation decreases for a given L/V ratio

B . The extraction per unit of total height for a short packed column is more effective than for a tall column, in case of liquid-liquid extraction

C . Natural draft cooling towers are made of ferro-concrete and its cross-section is wider at the bottom

D . Vanderwall adsorption is also called chemisorption

Answer: Option D

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Question 4. In Mcabe-Thiele method, at infinite reflux ratio....

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Question 7. For an absorber, both equilibrium and operating line will be straight for....

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Question 9. Pick out the wrong statement.....

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