RAJASTHAN PMT Rajasthan - PMT Solved Paper-2011

  • question_answer
    The fusible mass obtained from high melting oxide in the gangue is called

    A)  flux                                      

    B)  slag                      

    C)  matte                  

    D)         matrix

    Correct Answer: B

    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.


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