Question

CaCl2 Ca CaO Ca(OH)2

Answer 1

Ответ:

Ca-CaO-CaCl2-Ca(OH)2

Объяснение:

2Ca+O2=2CaO

CaO+2HCl=CaCl2+H2O

CaCl2 + Cu(OH)2= Ca(OH)2+CuCl2

Answer 2

The chemical formulas you provided represent different chemical compounds:

1. CaCl2: Calcium chloride - It is a salt composed of calcium (Ca) and chlorine (Cl) ions.

2. Ca: Calcium - It is an element with the symbol Ca and atomic number 20. It is an essential mineral for living organisms and is commonly found in various minerals and rocks.

3. CaO: Calcium oxide (Quicklime) - It is a white, caustic, alkaline substance produced by heating calcium carbonate (limestone) to high temperatures. It is often used in various industrial processes, including cement production.

4. Ca(OH)2: Calcium hydroxide (Slaked lime) - It is a white powder formed by adding water to calcium oxide. It is commonly used in various applications, such as water treatment, construction, and as an ingredient in certain medicines.

These compounds have various applications and play important roles in different industries and chemical processes.