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JEE Main & Advanced Sample Paper JEE Main Sample Paper-40

  • question_answer
    A wedding ring presented to a bride contains 788 mg of gold and rest diamond. If the ring weighs 1 g the bride receives (At wt: Au = 197, C = 12)

    A) more number of gold atoms

    B) more number of carbon atoms

    C) equal number of gold and carbon atoms

    D) gold and carbon atoms in ratio of 4:1 approximately

    Correct Answer: B

    Solution :

    Atomic mass of carbon is less and hence no. of mole will be more.


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