Frozen ethanoic acid. Ethanoic acid (, also known as acetic acid) is the chemical that gives vinegar its sour taste and strong smell. Pure, wa

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Frozen ethanoic acid. Ethanoic acid (, also known as acetic acid) is the chemical that gives vinegar its sour taste and strong smell. Pure, water-free ethanoic acid freezes to the colourless solid seen here at degrees Celsius, just below normal room temperature.

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Photo credit: © MARTYN F. CHILLMAID/SCIENCE PHOTO LIBRARY / Alamy / Afripics
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Keywords: acetic, acid, chemical, chemistry, circle, circular, cold, dish, effect, effects, ethanoic, frozen, glacial, ice, petri, physical, physics, single, solid