and leads to hard water in many regions. An unusual form of calcium carbonate is ikaite with crystal water CaCO3·6H2O. Ikaite is stable only below 6 °C.参考: Me Calcium carbonate is a chemical pound with the formula CaCO3. It is a mon substance found in rocks in all par...
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Calcium carbide is a chemical compound containing calcium and carbide, with a chemical formula of CaC2. Pure calcium carbide is colorless, but most of the material is produced industrially, and is somewhat impure, giving it a black or grayish-white color, depending on the quality. The main ...
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calcium carbonate + hydrochloric acid → calcium chloride + water + carbon dioxide More generally An acid + a carbonate (or a hydrogen carbonate) → a salt + water + carbon dioxide To write it in symbols, it is important to ensure you have the correct formula for everything, and to then...
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“to burn lime”. so, calcination is mostly used in the decomposition of limestone (calcium carbonate) to lime ( calcium oxide ) and carbon dioxide. caco 3 —> cao + co 2 meanwhile, the products that are derived from calcination are known as calcining, and it is regardless of actual ...