1.

Assertion : Na_2SO_4 is soluble in water but BaSO_4 is insoluble Reason: Lattice energy of barium sulphate exceeds its hydration energy.

Answer»

both ASSERTION and REASON are true and reason is the CORRECT explanation of assertion
both assertion and reason are true but reason is not the correct explanation of assertion
assertion is true but reason is false
both assertion and reason are false

Answer :A


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