CBSE Class 10 Science 2018 Solved Paper

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Question : 23
Total: 27
What is observed when a solution of sodium sulphate is added to a solution of barium chloride in a test tube ? Write equation for the chemical reaction involved and name the type of reaction in this case.
Solution:  
Na2SO4(aq.)
Sodium sulphate
+
BaCl2(aq.)
Barium chloride
BaSO4(s)
Barium sulphate
+2
NaCl(aq.)
Sodium chloride

It is an example of double displacement reaction.
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