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NTSE Sample Paper NTSE SAT Practice Test-14

  • question_answer
    Silver articles become black on prolonged exposure to air. This is due to the formation of

    A) \[A{{g}_{3}}N\]                       

    B) \[A{{g}_{2}}O\]

    C) \[A{{g}_{2}}S\]           

    D) \[A{{g}_{2}}S\,and\,A{{g}_{3}}N\]

    Correct Answer: C

    Solution :

    Not Available  


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