Sulfuric acid is the most important industrial chemicals. Made of it is every year than is made of any additional manufactured chemical made than 40 million tons of it was produced in the United States in 1990? It has generally different uses and plays some part in the manufacture of practically all manufactured goods. The most important uses of sulphuric acid are in the creation of fertilizers e.g., super phosphate of lime and ammonium sulphate.It is extensively used in the manufacture of chemicals e.g., in making hydrochloric acid, nitric acid, sulfate salts, synthetic detergents, dyes and pigments, explosives, and drugs. It is used in petroleum cleansing to wash impurity out of petrol and other refinery products. Sulphuric acid is used in the processing metals e.g., in cleaning iron and steel became plating them with tin and zinc.