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NTSE Sample Paper NTSE SAT Practice Test-14

  • question_answer
    The compound used to join railway tracks with Al; by heating is

    A) \[F{{e}_{2}}{{O}_{3}}\]        

    B) \[MgO\]

    C) \[CaO\]                                 

    D) \[CuO\]

    Correct Answer: A

    Solution :

    Not Available              


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