JEE Main & Advanced Chemistry Metallurgy / धातुकर्म Question Bank Roasting and Calcination

  • question_answer
    Refractory metals are used in construction of furnaces because [CPMT 2002]

    A) They can withstand high temperature

    B) They are chemically inert

    C) Their melting point is high

    D) None of these

    Correct Answer: A

    Solution :

    \[C{{N}^{-}}\]solution used in extraction of \[Ag\] metal in the cyanide process.


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