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Question

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.

Solution
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These two solutions react to form a white insoluble precipitate.

BaCl2+Na2SO42NaCl+BaSO4

This is a double displacement reaction as the two compounds exchange their ions to form two different compounds.

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