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The melting point of pure ethanoic acid is 290 K, which is why it often freezes in cold climates; this gave rise to its common name

Question
The melting point of pure ethanoic acid is 290 K, which is why it often freezes in cold climates; this gave rise to its common name
Rectified acetic acid
Glacial acetic acid
Denatured acetic acid
Absolute acetic acid
Answer
Glacial acetic acid
Detailed Explanation
Because pure ethanoic acid freezes easily in cold weather, it is commonly called glacial acetic acid.
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