The impurities present in mined ores are technically calledand the process of removing them from the ore is calledof an ore.

gangue

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flux

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concentration

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metallurgy

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Solution

The correct options are
A gangue
C concentration
Gangue/matrix refers to the unwanted components or impurities such as rocky matter, earthing particles, sand, limestone, etc., present in the ores. The removal of gangue is known as concentration of the ore.

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