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Calcium oxide
Calcium oxideChemical compound
OverviewChemical structureHistoryPropertiesSolubilityUsesFunctionMolar mass
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    https://en.wikipedia.org/wiki/Calcium_oxide
    Calcium oxide - Wikipedia
    CAS Number1305-78-8
    3D model (JSmol)Interactive image
    ChEBICHEBI:31344
    ChEMBLChEMBL2104397
    Preparation

    Calcium oxide is usually made by the thermal decomposition of materials, such as limestone or seashells, that contain calcium carbonate (CaCO3; mineral calcite) in a lime kiln. This is accomplished by heating the material to … See more

    See How Quicklime Was Made And Used In Ancient Building Techniques
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    See How Quicklime Was Made And Used In Ancient Building Techniques
    YouTubeScience Channel88.9K viewsNov 1, 2017
    Uses

    • The major use of quicklime is in the basic oxygen steelmaking (BOS) process. Its usage varies from about 30 to 50 kilograms (65–110 lb) per ton of steel. The quicklime neutralizes the acidic oxides, SiO2, Al2O3, and … See more

    Safety

    Because of vigorous reaction of quicklime with water, quicklime causes severe irritation when inhaled or placed in contact with moist skin or eyes. Inhalation may cause coughing, sneezing, and labored breathing. I… See more

    Mineral

    Calcium oxide is also a separate mineral species (with the unit formula CaO), named 'Lime'. It has an isometric crystal system, and can form a solid solution series with monteponite. The crystal is brittle, pyrometam… See more

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