Alkali
In chemistry, an alkali (/ˈælkəlaɪ/; from Arabic: القلوي al-qaly “ashes of the saltwort”) is a basic, ionic salt of an alkali metal or an alkaline earth metal. An alkali can also be defined as a base that dissolves in water. A solution of a soluble base has a pH greater than 7.0. The adjective alkaline is commonly, and alkalescent less often, used in English as a synonymfor basic, especially for bases soluble in water. This broad use of the term is
