Railways Sample Paper RRB (Group D) Sample Test Paper-14

  • question_answer
    In which of the following states maximum iron ore is found?

    A)  \[FeC{{O}_{3}}\]

    B)  \[Fe2{{O}_{3}}\]

    C)  \[Fe3{{O}_{4}}\]         

    D)  \[Fe{{S}_{2}}\]

    Correct Answer: B


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