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NTSE Sample Paper NTSE SAT Practice Test-12

  • question_answer
    The chemical name of rust is

    A) Iron (II) oxide

    B) Iron (III) oxide

    C) Hydrated iron (II) oxide

    D) Hydrated iron (III) oxide

    Correct Answer: D

    Solution :

    [d] Rust is \[F{{e}_{2}}{{O}_{3}}.x{{H}_{2}}O\]


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