On thermal decomposition, the oxidising property of concentrated H₂SO₄ yields

The catalyst used during contact process is

Pungent fumes of HCl gas is produced when con H₂SO₄ is treated with

Gas produced by chemical action of H₂SO₄ on copper is

Acid commonly known as oil of vitriol is

Select the pair of gases which turn lime water milky

Which gas is produced when H₂SO₄ react with acetic acid?

Pure anhydrous acid is which type conductor of electricity?

Sulphuric acid dissolves in water forms

When dilute sulphuric acid reacts with iron sulphide, the gas evolved is