A) chemically separating acetic acid
B) treating vinegar with dehydrating agents
C) crystallising, separating and melting acetic acid
D) distilling vinegar.
Correct Answer: D
Solution :
Acetic acid is a colourless liquid having a \[O{{H}^{-}}\]pungent smell. Below \[{{17}^{o}}C\]it solidity to an ice mass, known as glacial acetic acid. It is obtained by distilling with cone. \[{{H}_{2}}S{{O}_{4}}\].
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