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  4. The fusible mass obtained from high melting oxide in the gangue is called

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Q. The fusible mass obtained from high melting oxide in the gangue is called

Rajasthan PMTRajasthan PMT 2011

Solution:

Slag is the highly fusible material, which is obtained from the reaction of flux and gangue. $ Flux+gangue\xrightarrow{{}}slag $ Flux is a substance that chemically combines with gangue (earthy impurities) which may still be present in the roasted or the calcined ore $ (i.e., $ metallic oxide) to form slag.