Question

The process by which sulphide ore is extracted. ​

Answer 1

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Answer:

Froth flotation method.

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Answer 2

Answer:

the process depends on (a) direct solubilization of metal sulphide by bacteria oxidation; (b) dissolution of metal sulphide or oxides by ferric iron produced by bacterial pyrite oxidation. mining spoil dumps and low grade ores can be leached for copper or uranium by cheap low-level technology.

Explanation:

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