| 1. | Carboxylic Acid | ||
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A organic chemical substance, with the structural formula R-COOH. They often are volatile and some are responsible for foul odors. Some can be quite corrosive and toxic such as Ethanoic/Acetic acid, Formic/Methanoic. When in long chains they are known as fatty acids. Vinegar is a diluted form of the carboxylic acid ethanoic acid traditional produced by fermentation of alcoholic beverages such as beer or cider.
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