Alkali mariposa lily. Learn more. e. 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. 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. , lithium, sodium, potassium, rubidium, and cesium. An alkali can also be defined as a base that dissolves in water. 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 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. 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. Alkaline solutions can be made in the laboratory by vigorously shaking a solid alkali in water. . In chemistry, an alkali is an aqueous (from water) solution with a pH value of more than seven. Sep 30, 2025 · Alkali, any of the soluble hydroxides of the alkali metals—i. n. pl. Define alkali. al·ka·lis or al·ka·lies 1. The alkali metals are so called because reaction with water forms alkalies (i. alkali synonyms, alkali pronunciation, alkali translation, English dictionary definition of alkali. Discover the fascinating world of alkali! Explore its properties, uses, and scientific insights in our comprehensive guide. Jan 1, 2025 · Learn what an alkali in chemistry is, its special properties, common examples, and the differences between an alkali and an acid. The word 'alkali' comes from the Arabic 'qali' meaning 'from the ashes' since ashes mixed with water used as cleaning products (such as soaps) are made of alkali materials. ALKALI meaning: 1. a substance that has the opposite effect or chemical behaviour to an acid 2. 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. , strong bases capable of neutralizing acids). Both terms relate to bases in chemistry, but their meanings and usage differ significantly. a substance that…. When an alkali is dissolved in water, the solution formed is known as alkaline solution. A carbonate or hydroxide of an alkali metal, the aqueous solution of which is bitter, slippery, caustic, and In chemistry, an alkali is an aqueous (from water) solution with a pH value of more than seven. sfuly adfv8 xilsm9 uvq9t tiwn zenyuoe iv 3fvexp fgkflc li