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A. If both Assertion & Reason are true and the reason is the correct explanation of the assertion. B. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion. C. If Assertion is true statement but Reason is false. D. If Assertion is false and Reason is true Assertion: .Formation of soluble products from insoluble ones is called precipitation. Reason : Precipitation involves formation of insoluble products from soluble ones

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Answer:

D- Assertion is false and Reason is true

Explanation:

Precipitation is said to have occurred when an insoluble product is formed from soluble ones. Let us take an instance;

BaCl2(aq) + H2SO4(aq) -------> BaSO4(s) + 2HCl(aq)

The barium sulphate so formed is an insoluble product obtained from the reaction of soluble barium chloride and sulphuric acid. This is a typical example of a double replacement reaction as the both ions exchanged partners.

Thus, the assertion is false but the reason is true.

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