Dilute H2SO4 is added to the barium chloride solution

What happens when dilute H2SO4 is added to the barium chloride solution?

Answer: The addition of dilute H2SO4 to barium chloride solution gives a white precipitate of insoluble barium sulfate.

BaCl2 + H2SO4 = BaSO4 ↓ + 2HCl