Question

31) Copper is chiefly extracted from its ……….. ores by reduction process.

a) Carbonate

b) Oxide

c) Sulphide

d) Ions​

Answer 1

Copper can be extracted from its ore by: Underground: sinking a vertical shaft into the Earth to an appropriate depth and driving horizontal tunnels into the ore. ... This trickles slowly through the ore dissolving copper to form copper sulfate. The copper is recovered by electrolytic refining.

Answer 2

Answer:

Oxide

Explanation:

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