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JIPMER Jipmer Medical Solved Paper-2001

  • question_answer
    To obtain chromium from chromic oxide \[\left( C{{r}_{2}}{{O}_{3}} \right),\] the method used is:

    A)  alumino-thermic process

    B)  electrolytic reduction

    C)  carbon reduction

    D)  carbon-monoxide reduction

    Correct Answer: A

    Solution :

    Chromic oxide can be reduced to chromium by the alumino-thermic process, in which aluminium is used as a reducing agent.      \[C{{r}_{2}}{{O}_{3}}+2Al\xrightarrow{\Delta }A{{l}_{2}}{{O}_{3}}+2Cr\]


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