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.

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 …

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 …

ALKALI definition: 1. a substance that has the opposite effect or chemical behaviour to an acid 2. a substance that…. Learn more.

Jan 1, 2025 · Learn what an alkali in chemistry is, its special properties, common examples, and the differences between an alkali and an acid.

When an alkali is dissolved in water, the solution formed is known as alkaline solution. Alkaline solutions can be made in the laboratory by vigorously shaking a solid alkali in water.

Discover the fascinating world of alkali! Explore its properties, uses, and scientific insights in our comprehensive guide.

Define alkali. alkali synonyms, alkali pronunciation, alkali translation, English dictionary definition of alkali. n. pl. al·ka·lis or al·ka·lies 1. A carbonate or hydroxide of an alkali metal, the aqueous …

Alkali metal, any of the six elements of Group 1 (Ia) of the periodic table—lithium, sodium, potassium, rubidium, cesium, and francium. The alkali metals are so called because reaction …

Alkali definition: 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..