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calcium oxide

NOUN
  1. a white crystalline oxide used in the production of calcium hydroxide

How To Use calcium oxide In A Sentence

  • When calcium carbonate is heated it decomposes into calcium oxide and carbon dioxide.
  • In early times, people roasted limestone to obtain lime (calcium oxide), a base.
  • For a furnace with basic refractories, which includes most carbon steel-producing furnaces, the usual slag formers are calcium oxide (CaO, in the form of burnt lime) and magnesium oxide (MgO, in the form of dolomite and magnesite). Archive 2008-03-23
  • Another very unusual feature of these glasses is that they contain very low calcium oxide levels-c. 1 %.
  • Although you hear of people using either calcium oxide or calcium hydroxide for this purpose under the name "lime", the intended lime for disease epidemics, sanitizing latrines, and similar applications where large quantities of a low-cost disinfectant is needed is actually a third different lime. Mexican Cookbooks
  • In its pure form, calcium oxide occurs as white crystals, white or gray lumps, or a white granular powder.
  • Calcium oxide, more commonly known as lime or quicklime, has been studied by scholars as far back as the pre-Christian era.
  • This was a 19th century method of lighting the stage by sooting a gal torch at a block of lime calcium oxide. NPR Topics: News
  • One way to remove unwanted gases is to pass them through a solution of calcium oxide in the smokestack.
  • If directed against some infusible substance like ordinary lime (calcium oxide), the heat is so intense that the lime becomes incandescent and glows with a brilliant light. An Elementary Study of Chemistry
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