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प्रश्न
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.
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उत्तर
When solutions of barium chloride and sodium sulphate are mixed together, then an insoluble precipitate of barium sulphate and solution of sodium chloride is obtained. Hence, this reaction is a precipitation (a kind of double displacement reaction) reaction. The chemical equation for the reaction between barium chloride and sodium sulphate is represented as follows
BaCl2 + Na2SO4 → BaSO4 + 2NaCl
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