Calcium carbonate (CaCO3), the main component of limestone. Lime and limestone are widely used in building materials and industrial raw materials. The limestone is directly processed into stone and fired into quicklime. Quicklime absorption of moisture or water will become ripe lime, the main component is Ca (OH) 2, can be called calcium hydroxide, lime, lime, lime, and so on, as a coating material and tile adhesive.
Limestone is a mixture.The mixture is relatively pure. A substance consisting of a substance consisting of a substance that has a fixed physical and chemical property and has a specific chemical symbol that can be expressed in a chemical form. A mixture is a mixture of two or more substances. There is no fixed chemical composition of the mixture, there is no fixed composition and properties, the composition of the composition of the mixture did not occur between the chemical reaction, will maintain their original nature.
Limestone is the main component of calcium carbonate, but also contain alumina, silica, iron oxide, a variety of silicate, etc., is a mixture of. In fact, all kinds of materials are common in nature.
