Sulphur trioxide forms fuming sulphuric acid which is also called

Sulphuric acid dissolves in water forms

The molecular formula of sulphuric acid is

Sulphuric acid reacts with metal but it does not react with

Oleum (H₂S₂O₇) when diluted by water it gives

When blue copper (11) sulphate treated with H₂SO₄ gives

Concentrated H₂SO₄ is used in the laboratory preparation of nitric acid and hydrochloric acid because it is

Catalyst used for conversion of sulphur dioxide to sulphur trioxides is

Gas produced by chemical action of H₂SO₄ on copper is

A hygroscopic liquid is