alkali

Type: Term Pronunciation: al′kă-lī, al′kă-līz Definitions: 1. A strongly basic substance yielding hydroxide ions (OH− in solution); sodium hydroxide, potassium hydroxide. Synonyms: base3, alkali metal
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Alkali

Africa and Middle East Moslem judge or lay magistrate who administers Mohammedan law.
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alkali

[n] - a mixture of soluble salts found in arid soils and some bodies of water
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Alkali

[pronounce: alk-al-lie] Substance that turns litmus blue. Has a pH of more than 7
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Alkali

A substance that dissolves in water to give a solution of aqueous hydroxide ions that is capable of turning red litmus blue.The name is derived from the Arabic, al-qaliy (roasted ash), because such solutions can be made by adding water to the ashes of wood or plants. See also: Alkaline, Alkalinity.
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Alkali

a classification of substances that liberate hydroxide ions in water, to form caustic and corrosive solutions which turn litmus paper blue, with a pH higher than 7, for example sodium Hydroxide. A compound that reacts with or neutralizes hydrogen ions.
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Alkali

A water soluble hydroxide on one of the alkali metals. The term is virually synonymous with the term base. An example is Sodium Hydroxide, NaOH.
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Alkali

A compound that has the ability to neutralize an acid to form a salt. A substance which is somewhat irritating or corrosive to the skin, eyes and mucous membranes. Turns red litmus paper to blue. Common strong alkalis are sodium and potassium hydroxide.
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Alkali

A water soluble hydroxide on one of the alkali metals. The term is virually synonymous with the term base. An example is Sodium Hydroxide, NaOH.
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Alkali

Family of products derived from alkali metals, including compounds such as sodium carbonate and caustic soda
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Alkali

A substance with a pH reading 0f 7-14
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Alkali

A general term for chemical alkaline elements and hydroxide compounds. Such alkali industries area based on Sodium (Na), Potassium (K), Calcium (Ca) and Barium (Ba). These have a variety of uses - but the main industries using Sodium and Potassium were for soaps, bleaches and other detergents used domestically and in the textile industry. Alkali e
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Alkali

NATO codename for K-5 air-to-air missile, Tomashevitch (USSR;RUS)
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Alkali

A compound which dissolves in water producing negatively charged hydroxide ions. Alkaline solutions are strongly basic and neutralise acids forming a salt and water.
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Alkali

Al'ka·li noun ; plural Alkalis or Alkalies [ French alcali , ultimately from Arabic alqalī ashes of the plant saltwort, from qalay to roast in a pan, fry.] 1. Soda ash; caustic soda, caustic potash, etc. 2. (Chemistry) One of
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Alkali

Al'ka·li noun Soluble mineral matter, other than common salt, contained in soils of natural waters. [ Western U. S.]
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alkali

Origin: F. Alcali, ultimately fr. Ar. Alqali ashes of the plant saltwort, fr. Qalay to roast in a pan, fry. ... 1. Soda ash; caustic soda, caustic potash, etc. ... 2. <chemistry> One of a class of caustic bases, such as soda, potash, ammoma, and lithia, whose distinguishing peculiarities are solubility in alcohol and water, uniting with oils
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alkali

(al´kә-li) any of a class of compounds such as sodium hydroxide that form salts with acids and soaps with fats; a base, or substance capable of neutralizing acids. Other properties include a pH value greater than 7.0, a bitter taste, and the ability to turn litmus paper from red to blue. Alkalis play a vital role ...
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Alkali

• (n.) Soda ash; caustic soda, caustic potash, etc. • (n.) One of a class of caustic bases, such as soda, potash, ammonia, and lithia, whose distinguishing peculiarities are solubility in alcohol and water, uniting with oils and fats to form soap, neutralizing and forming salts with acids, turning to brown several vegetable yellows, and c
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alkali

any of the soluble hydroxides of the alkali metals—i.e., lithium, sodium, potassium, rubidium, and cesium. Alkalies are strong bases that turn ... [9 related articles]
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alkali

A base that is soluble in water. Alkaline solutions contain hydroxide (OH-) ions, have a pH greater than 7, turn litmus paper blue, and are soapy to the touch. Strong alkalis include the hydroxides of the alkali metals, notably sodium hydroxide (caustic soda, NaOH), potassium ...
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alkali

alkali (ăl'kulī) [Arab., al-gili=ashes of saltwort], hydroxide of an alkali metal. Alkalies are readily soluble in water and form strongly basic solutions with a characteristic acrid taste. They neutralize acids, forming salts and water. Strong alkalies (e.g., those of sodium or pota...
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Alkali

Alkali is a term first used to designate the soluble parts of the ashes of plants, especially of sea-weed. Now the term is applied to various classes of bodies having the following properties in common: (1) solubility in water; (2) the power of neutralizing acids, and forming salts with them; (3) the property of corroding animal and vegetable subst
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Alkali

Alkali was the Western code name for the Soviet air-to-air radar guided missile fitted to Warsaw Pact aircraft during the 1960's and 1970s. Alkali is known to have been in service in 1964, and carried by Su-9 aircraft.
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alkali

In chemistry, a base that is soluble in water. Alkalis neutralize acids, and solutions of alkalis are soapy to the touch. The strength of an alkali is measured by its hydrogen-ion concentration, indicated by the pH value. They may be divided into strong and weak alkalis: a strong alkali (for example, potassium hydroxide, KOH) ionizes comple...
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