Salt is a mineral compound composed of sodium (Na) and chloride (Cl) ions. It is commonly found in nature as a crystalline substance and is commonly known as table salt or rock salt. Salt has been used for centuries as a seasoning to enhance the flavor of food and as a preservative for food preservation. It is also an essential nutrient for the human body, as it helps to maintain proper fluid balance, nerve function, and muscle contraction. Additionally, salt is widely used in various industries such as chemical manufacturing, water treatment, and de-icing roads during winter.
The purpose of salt, a mineral, in English is to enhance the flavor of food, act as a preservative, and provide necessary nutrients for the body.