What is difference between concentration and fuming sulphuric acid(h2so4)?
Concentrated Sulphuric Acid has its molecular formula (H2SO4) and Fuming Sulphuric Acid or Oleum has its molecular formula (H2SO4.SO3).
Define Hydrosulphuric acid.
The aqueous solution of hydrogen sulphide(H2S) is termed as Hydrosulphuric acid. It is acidic in nature and has a rotten egg smell. H2S is a diprotic weak acid.