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WB JEE Medical WB JEE Medical Solved Paper-2008

  • question_answer
    An unknown element forms an oxide. What will be the equivalent weight of the element if the oxygen content is 20% by weight?

    A)  16                                         

    B)  32

    C)  8                                            

    D)  64

    Correct Answer: B

    Solution :

                     Given that, oxygen contents in element oxide is 20% by weight. Hence, element contents in element oxide is 80% by weight. Then, equivalent weight of unknown element \[=\frac{80}{20}\times 8\] \[\therefore \] Equivalent weight of unknown element =32


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