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NTSE Sample Paper NTSE SAT Practice Test-16

  • question_answer
    Which non metal is used in preparing urea?

    A) Nitrogen and oxygen

    B) Nitrogen and chlorine

    C) Nitrogen and hydrogen

    D) Hydrogen and chlorine

    Correct Answer: C

    Solution :

    [c] Urea is \[N{{H}_{2}}-CO-N{{H}_{2}}\]


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