For the pyrometallurgical method used for the extraction of copper from sulphide ore, which statement(s) is/are correct?

Pyrometallurgy is a dry method

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It involves concentration by leaching the sulphide ore with dil.

H_{2} S O_{4}

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It involves concentration of the sulphide ore by froth flotation process

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It involves concentration by leaching for every ore

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Solution

The correct options are
A Pyrometallurgy is a dry method
C It involves concentration of the sulphide ore by froth flotation process
The copper is extracted from sulphide ore by pyrometallurgy which involves reduction of the concentrated ore at high temperature.
This process is a dry process.
In this process, the sulphide ore is concentrated by froth floatation process.
In this process, the sulphide ore is not concentrated by leaching with dil sulphuric acid.
Thus, statements B and D are incorrect and statement A and C are correct.

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