Which method is used to get pure ethanol?

Membrane technology

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Esterification

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Fermentation

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None of these

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Solution

The correct option is D None of these
In industrial method, to obtain 100% pure alcohol, a small quantity of benzene is added to rectified spirit and the mixture is then distilled. Absolute alcohol is obtained in third fraction that distills over at 78.2°C (351.3 K).
None of the given method is correct.
Option D is the answer.

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