1. Acids Properties and Examples

Citric Acid

Citric acid (C6H8O7) is a weak organic tricarboxylic acid that occurs naturally in citrus fruits. The citrate ion is an intermediate in the TCA cycle (Krebs cycle), a central metabolic pathway for animals, plants and bacteria. Because it is one of the stronger edible acids, the dominant use of citric acid is used as a flavoring and preservative in food and beverages, especially soft drinks.

Lemons, oranges, limes, and other citrus fruits possess high concentrations of citric acid

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