Question

Word equation for copper extraction
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Answer 1

Answer:

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. Open pit: 90% of ore is mined by this method. Ores near the surface can be quarried after removal of the surface layers.

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Answer 2

Answer:

Copper is extracted through this process:-

2Cu₂S + 3O₂---->  2Cu₂O(s) + 2SO₂ (g)

2Cu₂O + Cu₂S  ------> 6Cu + SO₂