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  2. Alkali salt - Wikipedia

    en.wikipedia.org/wiki/Alkali_salt

    The difference between a basic salt and an alkali is that an alkali is the soluble hydroxide compound of an alkali metal or an alkaline earth metal. A basic salt is any salt that hydrolyzes to form a basic solution. Another definition of a basic salt would be a salt that contains amounts of both hydroxide and other anions. White lead is an ...

  3. Alkali - Wikipedia

    en.wikipedia.org/wiki/Alkali

    In chemistry, an alkali (/ ˈ æ l k ə l aɪ /; from the Arabic word al-qāly, القلوي) 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, and less often, alkalescent, is ...

  4. Soda lake - Wikipedia

    en.wikipedia.org/wiki/Soda_lake

    Lake Shala, in the East African Rift Valley. A soda lake or alkaline lake is a lake on the strongly alkaline side of neutrality, typically with a pH value between 9 and 12. They are characterized by high concentrations of carbonate salts, typically sodium carbonate (and related salt complexes), giving rise to their alkalinity.

  5. Why salt melts ice — and how to use it on your sidewalk - AOL

    www.aol.com/lifestyle/chemists-told-us-why-salt...

    A chemistry professor explains the science that makes salt a cheap and efficient way to lower freezing temperature. Skip to main content. 24/7 Help. For premium support please call: ...

  6. Base (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Base_(chemistry)

    In 1754 Rouelle explicitly defined a neutral salt as the product formed by the union of an acid with any substance, be it a water-soluble alkali, a volatile alkali, an absorbent earth, a metal, or an oil, capable of serving as "a base" for the salt "by giving it a concrete or solid form."

  7. Alkalinity - Wikipedia

    en.wikipedia.org/wiki/Alkalinity

    This is the case since the amount of acid in the rainwater is low. If this alkaline groundwater later comes into contact with the atmosphere, it can lose CO 2, precipitate carbonate, and thereby become less alkaline again. When carbonate minerals, water, and the atmosphere are all in equilibrium, the reversible reaction CaCO 3 + 2 H + ⇌ Ca 2 ...

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