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Blister copper obtained during extraction from cuprous oxide is called so becauseA. it has blister like eruptions due to evolution of gas.B. it has a shining surface like blisterC. it is the most impure form of copperD. its surface is uneven due to different thickness at different places.

Answer» Correct Answer - A
Solified copper obtained is called blister copper since it has blistered appearance due to the evolution of sulphur dioxide gas.
`2Cu_(2)O + Cu_(2)S to 6Cu + SO_(2)`


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