Concentrated Sulfuric Acid is a type of mineral acid which is extensively utilized for various industrial preparations. It has molecular formula H2SO4 with a molar mass of 98.079 g/mol. This acid appears as a colorless liquid with a density of 1.8302 g/cm3 and odorless nature. It is extensively utilized in iron & steelmaking industries for removing rust, oxidation, & scaling. This acid also serves as a catalyst for various reactions in the chemical industry. It is considered to be the most important ingredient in acidic drain cleaners for removing grease, tissue paper, & other materials. Concentrated Sulfuric Acid has a role to play for acidizing oil well and formulation of insecticides.