Alkali - Wikipedia In chemistry, an alkali ( ˈælkəlaɪ ⓘ; from the Arabic word al-qāly, القالِي) is a basic 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
Alkali | Chemical Compound, Properties Uses | Britannica Alkali, any of the soluble hydroxides of the alkali metals—i e , lithium, sodium, potassium, rubidium, and cesium Alkalies are strong bases that turn litmus paper from red to blue; they react with acids to yield neutral salts; and they are caustic and in concentrated form are corrosive to organic
ALKALI Definition Meaning - Merriam-Webster The meaning of ALKALI is a soluble salt obtained from the ashes of plants and consisting largely of potassium or sodium carbonate; broadly : a substance (such as a hydroxide or carbonate of an alkali metal) having marked basic properties How to use alkali in a sentence
Difference Between Alkali and Alkaline | Definition . . . Alkali metals are the group 1 metals of the periodic table whereas alkaline earth metals are in the group 2 The main difference between alkali and alkaline is that alkali metals have one valence electron whereas alkaline earth metals have two valence electrons
What Is An Alkali In Chemistry? | The Science Blog An alkali in chemistry is a soluble base substance They neutralise any acids they come into contact with, and have a pH above 7 This makes them indispensable in chemical testing processes
Alkali - Simple English Wikipedia, the free encyclopedia An alkali is where a base is dissolved in water Often it is the salt of an Alkali metal An alkali is the opposite to an acid and can be neutralized (brought down to pH seven) by adding acid