For the pyrometallurgical method used for the extraction of copper from sulphide ore, which statements is/are correct?

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Pyrometallurgy is a dry method

It involves concentration by leaching the sulphide ore with dil. H2SO4

It involves concentration of the sulphide ore by froth flotation process

It involves concentration by leaching for every ore

answer is M.

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Detailed Solution

Leaching is not done during the extraction of Cu from its sulphide ores.

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