Calcium chloride (CaCl2) is a chemical compound composed of calcium and chlorine. It is deliquescent and very soluble in water. It is a solid salt that, at room temperature, behaves like an ionic halide.
| Technical Name of compound | Calcium Chloride (CaCl2) |
| Other names | Calcium(II) chloride and Calcium dichloride |
| Appearance | White Powder |
| Melting point | 772 °C (anhydrous) |
| Molar mass | 110.99 g/mol (anhydrous form) 147.02 g/mol (dihydrate form) 182.04 g/mol (tetrahydrate form) 219.08 g/mol (hexahydrate form) |
| Density | 2.15 g/cm3 (anhydrous form) |
Calcium chloride is utilized in a range of applications, such as brine for refrigeration facilities, road ice and dust control, and cement. It may be synthesized directly from limestone, but it is also mass-produced as a byproduct of the Solvay process. Because of its hygroscopic nature, it must be kept in tightly sealed containers.
Calcium chloride is a byproduct of the Solvay process, which is used to make sodium carbonate. It can also be formed when hydrochloric acid reacts with calcium carbonate.
CaCO3(s) + 2HCl + H2O(l) + CO2 (g)
Table of Contents
Element Calcium
Calcium (Ca) is the fifth element and the third most abundant metal in the earth’s crust, with an atomic number of 20. It is a trimorphic metal that is tougher than sodium but softer than aluminum. It has the same qualities as beryllium and aluminum, however, unlike alkaline metals, it does not produce skin burns. It has a lower chemical reactivity than alkaline metals and alkaline-earth metals.
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Frequently Asked Questions
1. What are ionic compounds?
Ionic compounds are formed by a process known as electron transfer, in which one atom transfers electrons to another. An atom of one element loses one or more electrons during electron transfer, and an atom of another element gains those electrons. Both atoms are involved in the electron transfer from ions.
2. What is the process of distillation?
Distillation is the separation of a mixture of liquids based on variations in their boiling points (or volatility). Water may be extracted from a salt solution using this method.
3. What is the combustion process?
Combustion is a chemical process in which heat and light are produced. The most common sort of combustion is fire.
4. Is zinc a strong metal?
Zinc metal is a low-tensile-strength metal with less than half the tensile strength of mild carbon steel.
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