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.

Sep 30, 2025 · 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 …

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 …

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.

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

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

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

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 …

Sep 24, 2025 · 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 …

Jul 25, 2025 · Alkali is a noun referring to certain metals or their compounds, while alkaline is an adjective describing something with a basic pH above 7. Both terms relate to bases in …