Take a pinch of Sodium sulphate and dissolve in distilled water in a test tube. This is the clear solution of sodium sulphate. Take a pinch of Barium Chloride
in another test tube and dissolve in distilled water. we observe that it is a clear
solution of Barium chloride. we observe that it is a clear solution of Barium chloride.Sodium sulphate solution on mixing with Barium chloride solution forms a white precipitate of barium sulphate and soluble sodium chloride.

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