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NEET Sample Paper NEET Sample Test Paper-70

  • question_answer
    In extractive metallurgy of lead, the reduction of the roasted ore to the molten metal by heating with coke is called:

    A) smelting                      

    B) roasting

    C) calcinations                

    D) none of these

    Correct Answer: A

    Solution :

    Heating of ore with carbon up to melting is smelting.                     


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