The impurities which are not removed during ore concentration are called .........
(Gangue, flux, slag)

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Solution

The impurities which are not removed during ore concentration are called gangue. Flux is the substance added to molten metals to bond with impurities that can be removed later. Slag is the waste material which is removed during smelting or refining of ore.

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The impurities which are not removed during ore concentration are called .........(Gangue, flux, slag)

The impurities which are not removed during ore concentration are called gangue. Flux is the substance added to molten metals to bond with impurities that can be removed later. Slag is the waste material which is removed during smelting or refining of ore.

The impurities which are not removed during ore concentration are called .........
(Gangue, flux, slag)