Which gas is produced when H₂SO₄ react with acetic acid?

Sulphuric acid gives a precipitate with barium chloride solutions is in what colour?

Cane sugar reacts with con H₂SO₄ to give

Gas produced by chemical action of H₂SO₄ on copper is

A solution produces white precipitate with BaCl₂ solution contains

Charred spongy mass is left after the dehydration of

The catalyst used during contact process is

Sulphur trioxide forms fuming sulphuric acid which is also called

Which one of the following is called ' oil of vitriol'?

An organic acid which on dehydration releases both CO and CO₂ gas is