caustic alkali

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• caustic alkali — noun : a strong corrosive alkali; especially : a hydroxide of an alkali metal (as caustic soda or caustic potash) …   Useful english dictionary

• Alkali — Al ka*li (?; 277), n.; pl. {Alkalis} or {Alkalies}. [F. alcali, ultimately fr. Ar. alqal[=i] ashes of the plant saltwort, fr. qalay to roast in a pan, fry.] 1. Soda ash; caustic soda, caustic potash, etc. [1913 Webster] 2. (Chem.) One of a class… …   The Collaborative International Dictionary of English

• Alkali salts — or base (basic) salts are salts which has basic ions, such as Hydroxides or Carbonates. Rather than being neutral, as most salts are, basic salts are, as their name suggests, bases.The acidic equivalent of a basic salt is an acid salt, although… …   Wikipedia

• alkali — [al′kə lī΄] n. pl. alkalies or alkalis [ME alkaly < Ar al qily, for al qili, the ashes (of saltwort) < qalai, to roast in a pan] 1. any base or hydroxide, as soda, potash, etc. that is soluble in water and gives a high concentration of… …   English World dictionary

• alkali — [n] soluble base; opposite of an acid antacid, caustic soda, salt; concept 472 …   New thesaurus

• alkali — ► NOUN (pl. alkalis or US also alkalies) ▪ a compound, such as lime or caustic soda, with particular chemical properties including turning litmus blue and neutralizing or effervescing with acids. DERIVATIVES alkalize (also alkalise) verb. ORIGIN… …   English terms dictionary

• Alkali metal — Group → 1 ↓ Period 2 3 Li 3 …   Wikipedia

• alkali — /al keuh luy /, n., pl. alkalis, alkalies, adj. n. 1. Chem. a. any of various bases, the hydroxides of the alkali metals and of ammonium, that neutralize acids to form salts and turn red litmus paper blue. b. any of various other more or less… …   Universalium

• Alkali — In chemistry, an alkali (from Arabic: Al Qaly القلي, القالي ) is a basic, ionic salt of an alkali metal or alkaline earth metal element. Alkalis are best known for being bases (compounds with pH greater than 7) that dissolve in water. The… …   Wikipedia

• alkali metal — Chem. any of the group of univalent metals including potassium, sodium, lithium, rubidium, cesium, and francium, whose hydroxides are alkalis. [1880 85] * * * Any of the six chemical elements in the leftmost group of the periodic table (lithium,… …   Universalium

• Alkali manufacture — This is a historical article. For current information see Sodium hydroxide#Manufacture and Chloralkali process. Alkali manufacture is the process by which an alkali is made. Typical alkalis, produced commercially, include sodium hydroxide, sodium …   Wikipedia