First slide

General methods of extraction of elements from the earth crust

Question

Which is known as ‘blister copper’ ?

Moderate

A

Pure copper
B

98% copper
C

Alloy of copper
D

Ore of copper

Solution

To remove volatile and other type of impurities and by further purification of the copper melt from the smelter, a primary form of the metal, known as blister copper is derived, From this a Higher purity copper is then produced by electro-refining

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