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Definition of the word "alkali"

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Definition: 1.) A carbonate or hydroxide of an alkali metal, the aqueous solution of which is basic in reaction. 2.) Any of various soluble mineral salts found in natural water and acid soils. 3.) Alkali metal.

Pronunciation: al·ka·li (noun) • Plural ·lis or ·lies

The oceans of the world are alkaline in nature, having a pH of 7.1 or greater. The normal pH of saltwater in the oceans is about 8.2. Bicarbonate of soda can be added to saltwater which will raise the alkalinity.

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