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- Citric Acid: 10 Interesting FactsCitric acid is one of the most common and multifunctional organic compounds known to man. It is used in cooking, medicine, cosmetology, everyday life and even in industry. But behind this familiar white crystalline powder there is much that is interesting. Let's find out more! 1. Opened with lemon juice Citric acid was first isolated in 1784 by Swedish chemist Carl Scheele. He obtained it from lem...

