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Discussion :: GATE Metallurgical

  1. In a roasting process, the set of conditions that favour sulphate formation from metal sulphide concentrates are 
    P. high temperature 
    Q. high partial pressure of oxygen 
    R. use of excess air 
    S. high partial pressure of SO3
    2. A.
    P, R and S
    B.
    P, Q and R
    C.
    Q and S
    D.
    R and S

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    Answer : Option C

    Explanation :

    -NA-

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