The reaction of phenol with sodium hydroxide gives sodium phenoxide which further reacts with carbon dioxide in an acidic medium to give 2-hydroxybenzoic acid (Salicylic acid).

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preparation and uses of Sodium Hydroxide, Bleaching powder, Baking soda, Washing soda and Plaster of Paris. Metals and nonmetals: Properties of metals and non-metals; Reactivity series ...

Sodium hydroxide and potassium hydroxide are also present to a lesser degree in new concrete and produce sodium and potassium carbonation. The Warehouse Environment General contractors are usually ...