Home
Class 12
CHEMISTRY
Sea divers use a mixture of...

Sea divers use a mixture of

A

`O_(2),N_(2)`

B

`O_(2),H_(2)`

C

`O_(2),He`

D

`N_(2),H_(2)`

Text Solution

Verified by Experts

The correct Answer is:
C

Sea divers use helium and oxygen mixture in modern diving apparatus.
Promotional Banner

Topper's Solved these Questions

  • p-BLOCK ELEMENTS

    SIA PUBLICATION|Exercise MCQ.s|169 Videos
  • ORGANIC CHEMISTRY-II

    SIA PUBLICATION|Exercise MCQ|136 Videos
  • POLYMERS

    SIA PUBLICATION|Exercise MCQ.s|9 Videos

Similar Questions

Explore conceptually related problems

Which of the given device is used to separate a mixture of kerosene and water?

Which of the following reagents can be used to separate a mixture of aniline and phenol?

Caustic soda is used to separate a mixture of ferric chloride and aluminium chloride. Explain.

Which of the following reagents will not be useful in separating a mixture of Zn^(2+) and Cu^(2+)

Nitrobenzene can be preapred from Benzene by using a mixture of HNO_(3) and conc. H_(2)SO_(4) . In the nitrating mixture HNO_(3) acts as a

The simple ratio of a mixture of the He and O_2 is used for the respiration for deep see divers __________

Carbogen is a mixture of O_(2)andCO_(2) . It is used for artifical respiration. What is the percentage of CO_(2) , in this mixture?

[Y is used infire works, safety matches] Euochlorine is a mixture of

In modern diving apparatus, a mixture of He and O_(2) is used - Why ?

SIA PUBLICATION-p-BLOCK ELEMENTS-MCQ.s
  1. Assertion (A): Noble gases have very low boiling points. Reason (R):...

    Text Solution

    |

  2. Which one of the following is correct with respect to basic character?

    Text Solution

    |

  3. Sea divers use a mixture of

    Text Solution

    |

  4. Which one of the following elements does not form triiodide on reactin...

    Text Solution

    |

  5. The buffer system which helps to maintain the pH of blood between 7.26...

    Text Solution

    |

  6. The key step in the manufacturing of H(2)SO(4) by contact process is

    Text Solution

    |

  7. Ammonia on reaction with chlorine forms an explosive NCl(3). What is t...

    Text Solution

    |

  8. The structure of XeOF(4) is

    Text Solution

    |

  9. Which one of the following correctly represents the variation of elect...

    Text Solution

    |

  10. Which one of the following elements reacts with steam?

    Text Solution

    |

  11. Which one of the following elements on doping with germanium, make it ...

    Text Solution

    |

  12. Diborane reacts with HCl in the present of AlCl(3) and liberates

    Text Solution

    |

  13. Which one of the following is not correct?

    Text Solution

    |

  14. Na(2)S(2)O(3) reacts with moist Cl(2) to form Na(2)SO(4), HCl and X. w...

    Text Solution

    |

  15. The role of copper diaphragm in Whytlaw-Gray's method is

    Text Solution

    |

  16. Liquid X is used is bubble chamber to detect neutral mesons and gamma ...

    Text Solution

    |

  17. Which of the following cannot form an amphoteric oxide?

    Text Solution

    |

  18. The catalyst and promoter respectively used in the Haber's process of ...

    Text Solution

    |

  19. What is Z in the following reactions? BCl(3)+H(2)underset(450^(@)C)o...

    Text Solution

    |

  20. Which one of the following elements reduces NaOH to Na?

    Text Solution

    |