Question -
Answer -
i) Solutions of Barium chloride and Sodium sulphate in water react to give insoluble Barium sulphate and solution of Sodium chloride.
Answer(i) BaCl2 + Na2SO4 →BaSO4 + 2NaCl
ii) Sodium hydroxide solution in water reacts with hydrochloric acid solution to produce Sodium chloride solution and water.
Answer(ii) NaOH + HCl → NaCl + H2O