What is observed when a solution of sodium sulphate is added to a solution of barium chloride

• Science Practical (C10)

What is observed when a solution of sodium sulphate is added to a solution of barium chloride taken in a test tube? Write equation for the chemical reaction involved and name the type of reaction in this case.

Answer

White precipitate is observed.

Na₂SO₄ (aq) + BaCl₂ (aq) → BaSO₄ (s) + 2NaCl (aq)

Type of reaction: Double displacement reaction