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JEE Main & Advanced Chemistry The d-and f-Block Elements / d तथा f ब्लॉक के तत्व Question Bank General Characteristics

  • question_answer
    A hard and resistant metal (alloy) generally used in tip of nib of fountain pen is [BHU 1982]

    A) \[Os.Ir\]

    B) \[Pt.Cr\]

    C) \[V.Fe\]

    D) \[Fe.Cr\]

    Correct Answer: B

    Solution :

    Not Available


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