Multiple choice general knowledge The formula H2SO4 stands for: Nitric Acid Sulphuric Acid Hydrocloric Acid None of the above Reveal answer Fill a bubble to check yourself B Correct answer Explanation H2SO4 is the chemical formula for sulphuric acid, a strong mineral acid. The 'H' represents hydrogen (2 atoms), 'S' represents sulphur (1 atom), and 'O4' represents oxygen (4 atoms). Nitric acid is HNO3 and hydrochloric acid is HCl.