Question

Commercial uses of calcium oxide​

Answer 1

Uses of Calcium Oxide
It is extensively used for medicinal purposes and insecticides.
It finds its application in the manufacturing of cement, paper, and high-grade steel.
Lime is used as a reagent in laboratories for dehydration, precipitation reaction, etc.
It is the cheapest alkali available which is an important ingredient in the manufacturing of caustic soda.
Calcium is essential to animal life as the constituent of bones, shells, and teeth. The most common of the calcium compounds are calcium carbonate which the potter uses as a source of calcium oxide for glazes.

Answer 2

calcium oxide, chemical compound, CaO, a colorless, cubic crystalline or white amorphous substance. It is also called lime, quicklime, or caustic lime, but commercial lime often contains impurities, e.g., silica, iron, alumina, and magnesia. It is prepared by heating calcium carbonate (e.g., limestone) in a special lime kiln to about 500C to 600C, decomposing it into the oxide and carbon dioxide. Calcium oxide is widely used in industry, e.g., in making porcelain and glass; in purifying sugar; in preparing bleaching powder, calcium carbide, and calcium cyanamide; in water softeners; and in mortars