calcium India

... manufacture of glass is one of the most important uses of sodium carbonate. When it is combined with silica (SiO2) and calcium carbonate (CaCO3) and heated to very high temperatures, then cooled very rapidly, glass is produced. This type of glass is known as soda lime glass. 2. Soda ash also is used to clean the air and soften water. 3. Manufacture of Caustic Soda and dyestuffs 4. metallurgy...