Pick out the wrong statement pertaining to the design of the distillation column?

Question

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None of these

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Generally, a skirt clearance of 0.5&#8243; to 1.5&#8242; is recommended to prevent plugging of the slots by

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residue build up

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The purpose of the slot is to disperse the gas into the liquid in the form of small bubbles

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If sufficient slot area is not provided, the gas may pass through the skirt clearance

Question #86419