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Directions In the following
questions a statement of Assertion (A) followed by a
statement of Reason \( (\mathrm{R}) \) is given. Choose the correct
answer out of the following choices.
(a) Both A and R are correct; R is the correct explanation of \( \mathrm{A} \).
(b) Both A and R are correct; \( \mathrm{R} \) is not the correct explanation of \( \mathrm{A} \).
(c) \( \mathrm{A} \) is correct; \( \mathrm{R} \) is incorrect.
(d) \( \mathrm{R} \) is correct; \( \mathrm{A} \) is incorrect.
Assertion (A) Cu cannot liberate hydrogen from acids.
Reason (R) Because it has positive electrode potential.
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