Copper is extracted by smelting in a reverberatory furnace.
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B
Zinc is extracted by reduction of oxide with aluminum.
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C
Aluminium is extracted by electrolysis of its oxide.
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D
Iron is extracted by reduction of its oxide in blast furnace.
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Solution
The correct option is A Zinc is extracted by reduction of oxide with aluminum.
It is not profitable method for extraction of Zinc. Zinc is extracted by distillation and by electrolytic refining. So, it is not extracted by reduction of oxide with Aluminium.