1.

Assertion: H_(2)-O_92) fuel cell gives a constant ions, yet the overall concentration of OH^(-) ions does not chagne. Reason: In this cell, H_(2) reacts with OH^(-) ions, yet the overall concentration of OH^(-) ion does not change.

Answer»

If both ASSERTION and REASON are TRUE, and reason is the true explanation of the assertion
if both assertion and reason are true, but reason is not the true explanation of the assertion.
if assertion is true, but reason is false.
If both assertion and reason are false.

Solution :Both A and R are correct andR is the correct explanation of A.


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