Sodium chloride which is normally known as salt. In my daily life, i have been taking salt every day. Sodium is the second member of the alkali family, the group of elements that make up Group 1 of the periodic table. Sodium has an atomic number of 11, an atomic mass of 22.98977, and a chemical symbol of Na. Salt has a lot of uses in daily life. Since ancient times, the salt sodium chloride has been of importance. It has been used in numerous ways including the flavoring and preserving of food and even as a form of money. This salt improves the flavor of food items such as breads and cheeses, and it is an important preservative in meat, dairy products, margarine and other items. This is because it retards the growth of microorganisms or any bacteria. Salt promotes the natural development of color in ham and hot dogs and enhances the tenderness of cured meats like ham by causing them to absorb water. In the form of iodized salt, it is a carrier of iodine. (Iodine is necessary for the synthesis of our thyroid hormones which influence growth, development and metabolic rates). 
Picture shown above are salt lake.
The earliest evidence we have for people producing salt comes from northern China, where people seem to have been harvesting salt from a salt lake, Lake Yuncheng, by 6000 BC and maybe earlier.
In Egypt, people were using salt to preserve meat and fish by about 3000 BC, around the beginning of the Old Kingdom. The Egyptians also used salt to preserve mummies. They evaporated seawater from the Mediterranean Sea, and also bought salt from Libya.
Picture shown above are salt lake.The earliest evidence we have for people producing salt comes from northern China, where people seem to have been harvesting salt from a salt lake, Lake Yuncheng, by 6000 BC and maybe earlier.
In Egypt, people were using salt to preserve meat and fish by about 3000 BC, around the beginning of the Old Kingdom. The Egyptians also used salt to preserve mummies. They evaporated seawater from the Mediterranean Sea, and also bought salt from Libya.
Picture in your right is the salt making place at India.
The chemical industry uses large amounts of sodium chloride salt to produce other chemicals. Chlorine and sodium hydroxide are electrolically produced from brine. Brine is actually a solution of sodium chloride and water that may or may not contain other salt. Chemicals produced as a result of sodium chloride reactions are used in ceramic glazes, metallurgy, curing of hides, and photography.
Sodium chloride has a large and diverse range of uses. It is spread over roads to melt ice by lowering the melting point of the ice. The salt has an important role in the regulation of body fluids. It is used in medicines and livestock feed. In addition, salt caverns are used to store chemicals such as petroleum and natural gas.
The chemical industry uses large amounts of sodium chloride salt to produce other chemicals. Chlorine and sodium hydroxide are electrolically produced from brine. Brine is actually a solution of sodium chloride and water that may or may not contain other salt. Chemicals produced as a result of sodium chloride reactions are used in ceramic glazes, metallurgy, curing of hides, and photography.
Sodium chloride has a large and diverse range of uses. It is spread over roads to melt ice by lowering the melting point of the ice. The salt has an important role in the regulation of body fluids. It is used in medicines and livestock feed. In addition, salt caverns are used to store chemicals such as petroleum and natural gas.
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