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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-13

  • question_answer
    Water contains \[14\frac{2}{7}%\] of hydrogen and the rest is oxygen. In \[350\text{ }g\] of water, oxygen will be:           

    A) 300 gms

    B) 250 gms

    C) 200 gms

    D) None of the above

    Correct Answer: A

    Solution :

    In water, hydrogen \[=14\frac{2}{7}%\] so oxygen \[=\left( 100-14\frac{2}{7} \right)%\] \[=\frac{600}{7}%\] in 350g of water, oxygen is \[350\times \left( \frac{600}{7} \right)%=350\times \frac{600}{7\times 100}=\]


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