Mass Transfer
During bottling of cold drinks (e.g. Pepsi), the main resistance to mass transfer for the absorption of carbon dioxide in water lies in the

Liquid film
Gas film
Liquid-gas interface
None of these

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Mass Transfer
Pick out the wrong statement pertaining to leaching.

Door classifier can be used for leaching of coarse solids
Very high temperature is not needed for the leaching of sugar beet
Vegetable seeds can be leached in either of Bollman extractor, Rotocel or Kennedy extractor
Fine solids can not be leached in a Pachuka tank

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