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Calcination

Which of the ...

Question

Which of the following is not a method of extraction of metals?

A

Enrichment of ore

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B

Refining

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C

Magnetic separation

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D

None of the above

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Solution

The correct option is A None of the above
Refining and magnetic separation are methods of extraction of metals .Enrichment of ore is also known as concentration of ore. It means purification of ore.

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