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KVPY Sample Paper KVPY Stream-SX Model Paper-13

  • question_answer
    A water sample has ppm level concentration of the following metals: \[Fe=0.2;Mn=5.0;\]\[Cu=3.0;Zn=5.0\]. The metal that makes the water sample unsuitable drinking is:

    A) \[Zn\]

    B) \[Fe\]

    C) \[Mn\]

    D) \[Cu\]

    Correct Answer: C

    Solution :

    (i)\[Zn=5.0\text{ }ppm\]              (ii) \[Fe=0.2\text{ }ppm\] (iii)\[Mn=0.05\text{ }ppm\]         (iv) \[Cu=3.0\text{ }ppm\]


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