What is calcium oxide?

October 19, 2026 – 09:23 am

calcium oxide

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calcium oxide

A white, caustic, lumpy powder, CaO, used as a refractory, as a flux, in glassmaking, in waste treatment, in insecticides, as an industrial alkali, and in manufacturing steel, paper, and building materials. Also called calx, lime3, quicklime.

1. (Elements & Compounds) a white crystalline base used in the production of calcium hydroxide and bleaching powder and in the manufacture of glass, paper, and steel. Formula: CaO. Also called: lime, quicklime, calx, burnt lime, calcined lime or fluxing lime

Source: www.thefreedictionary.com

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