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In the extraction process of copper, the product obtained after carrying out the reactions (i) 2Cu 2 S + 3O 2 → 2Cu 2 O + 2SO 2 (ii) 2Cu 2 O + Cu 2 S → 6Cu + SO 2 is called

1. Blister copper
2. Reduced copper
3. Copper scrap
4. Copper matte

Correct answer: Blister copper

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