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Discussion :: Chemistry

  1. Which among the following is used to dilute oxygen in the gas cylinders used by divers ?

  2. A.

     Krypton

    B.

     Argon

    C.

     Helium

    D.

     Neon

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    Answer : Option C

    Explanation :

    Helium is used to dilute the oxygen and nitrogen to reduce these affects. Helium is the gas of choice to use because it is an inert gas, is thinner, therefore more compressible than air, and its narcotic properties are negligible in comparison to nitrogen.


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