Statement 1: Cu is leached out using acid or bacteria.Statement 2: The solution containing Cu2+ it treated with scrap iron or H2.
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a
Both statements 1 and 2 are correct
b
Both statements 1 and 2 are incorrect
c
Statement 1 is correct statement 2 is incorrect
d
Statement 1 is incorrect statement 2 is correct
answer is B.
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Detailed Solution
Copper is extracted by hydrometallurgy from low grade ores. It is leached out using acid or bacteria. The solution containing Cu2+ is treated with scrap iron.Cu2+(aq)+H2(g)⟶Cu(S)+2H+(aq)