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 …

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.

Dec 10, 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 reaction …

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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 …

5 days ago · 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 …

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

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

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.