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 react with acids to …

An alkali is a substance that dissolves in water and produces a solution with a pH above 7. More specifically, it’s a water-soluble base that releases hydroxide ions when mixed with water. All alkalis …

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 …

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.

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 …

Alkaline meaning in chemistry is related to the solution of alkali while alkali is an ionic salt of metal̥s of the periodic table. They do share similar properties but they are different.

Jan 14, 2026 · An alkali is a chemical substance that forms a solution with specific properties when dissolved in water. This concept is fundamental to chemistry, describing a chemical that acts as the …

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. any of various other more or less active bases, as calcium …