Home
Class 12
CHEMISTRY
Which of the following gas mixture is us...

Which of the following gas mixture is used by the divers inside the sea ?

A

`O_2 + He`

B

`O_2 + Xe`

C

`O_2 + Ar`

D

`O_2 + N_2`

Text Solution

Verified by Experts

The correct Answer is:
A
Helium is not soluble in blood even under high pressure, a mixture of 80% helium and 20% oxygen is used instead of ordinary air by sea divers for respiration.
Promotional Banner

Topper's Solved these Questions

  • THE P -BLOCK ELEMENTS (NITROGEN, OXYGEN, HALOGEN AND NOBLE FAMILY)

    ERRORLESS|Exercise PAST YEARS QUESTIONS|60 Videos

  • THE P -BLOCK ELEMENTS (NITROGEN, OXYGEN, HALOGEN AND NOBLE FAMILY)

    ERRORLESS|Exercise ASSERTION & REASON|22 Videos

  • THE P -BLOCK ELEMENTS (NITROGEN, OXYGEN, HALOGEN AND NOBLE FAMILY)

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Halogen Family)|73 Videos

  • THE d-AND f- BLOCK ELEMENTS

    ERRORLESS|Exercise Assertion and Reason |11 Videos

Similar Questions

Explore conceptually related problems

Which of the following gas is used in Gas-lighter?

Which of the following compound is used in gas lighter?

Which of the following gas was not used by Miller is his experinent ?

ERRORLESS-THE P -BLOCK ELEMENTS (NITROGEN, OXYGEN, HALOGEN AND NOBLE FAMILY)-NCERT BASED QUESTIONS (Noble Gases)
  1. Which of the following gases exist more abundantly in nature than the ...

    Text Solution

    |

  2. The coloured discharge tubes for advertisement mainly contains

    Text Solution

    |

  3. Which of the noble gases is the least polarized?

    Text Solution

    |

  4. The forces acting between noble gas atoms are

    Text Solution

    |

  5. Which of the following is most polarised

    Text Solution

    |

  6. Which inert gas has abnormal behaviour on liquefaction ?

    Text Solution

    |

  7. Helium is used in balloons in place of hydrogen because it is

    Text Solution

    |

  8. Molecules of a noble gas do not posses vibrational energy because ...

    Text Solution

    |

  9. Helium is added to the oxygen supply used by deep sea divers because

    Text Solution

    |

  10. Who among the following firest prepared a stable compound of noble g...

    Text Solution

    |

  11. Which of the following gas mixture is used by the divers inside the se...

    Text Solution

    |

  12. From the knowledge of the position of radium in the periodic table, wh...

    Text Solution

    |

  13. Which of the following is not obtained by direct reaction of constitue...

    Text Solution

    |

  14. XeF(4) on partial hydrolysis produces

    Text Solution

    |

  15. XeF(6) on hydrolysis gives

    Text Solution

    |

  16. Perxenate ion is

    Text Solution

    |

  17. In the preparation of compounds of Xe, Bartlett had taken O(2)^(+) Pt ...

    Text Solution

    |

  18. Which of the possible following florides of xenon is impossible ?

    Text Solution

    |

  19. Which of the following compounds of xenon cannot be prepared

    Text Solution

    |

  20. Total number of lone pairs on Xe in XeF(2), XeO(3)F(2), XeF(4), XeF(6)...

    Text Solution

    |