Question

CaCo3 CaO Ca(OH)2 CaCl2 CaCO3

Answer 1

CaO кальцій оксид




Пояснення:

Answer 2

The chemical compounds you listed are as follows:

1. CaCO3: Calcium carbonate. It is a white, crystalline solid commonly found in nature as limestone, chalk, and marble. It has many industrial applications, including its use as a dietary supplement, in the production of cement, and as a building material.

2. CaO: Calcium oxide, also known as quicklime or burnt lime. It is a white, caustic, crystalline solid. It is produced by heating calcium carbonate (CaCO3) to a high temperature, causing it to decompose and release carbon dioxide. Calcium oxide is used in various industries, including as a flux in steel production, in the manufacturing of cement, and in water treatment processes.

3. Ca(OH)2: Calcium hydroxide, also known as slaked lime or hydrated lime. It is a white, powdery substance formed by adding water to calcium oxide (CaO). Calcium hydroxide has many applications, such as in the production of mortar and plaster, in water and wastewater treatment, and as a pH regulator in various industrial processes.

4. CaCl2: Calcium chloride. It is a white, crystalline solid that is highly soluble in water. Calcium chloride is commonly used as a de-icer for roads and sidewalks during winter, as a desiccant to control humidity, and in various industrial processes like oil and gas drilling, food processing, and as a source of calcium ions in medicine.

5. CaCO3: Calcium carbonate. This compound was already mentioned as the first item in your list. It is the same chemical compound with the same properties and applications.

If you have any specific questions about these compounds or need further information, feel free to ask!