Home
Class 12
CHEMISTRY
Assertion-Deep sea divers use Helium and...

Assertion-Deep sea divers use Helium and oxygen mixture for breathing.
Reason-helium is not solube in blood like nitrogen.

A

Both assertion and reason are true and reason is the correct explanation of assertion.

B

Both assertion and reason are true and reason is the not correct explanation of assertion.

C

Assertion is true and reason is false.

D

Assertion is false and reason true.

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • PRACTICE PAPER 4

    CBSE COMPLEMENTARY MATERIAL|Exercise SECTION : B|18 Videos

  • PRACTICE PAPER 4

    CBSE COMPLEMENTARY MATERIAL|Exercise SECTION : C|39 Videos

  • PRACTICE PAPER 3

    CBSE COMPLEMENTARY MATERIAL|Exercise Section C|34 Videos

  • SOLUTIONS

    CBSE COMPLEMENTARY MATERIAL|Exercise LONG ANSWER TYPE QUESTIONS (5 Marks)|10 Videos

Similar Questions

Explore conceptually related problems

Deep sea divers used to respire in a mixture of

Assertion : Deep sea divers use He-O_(2) mixture for breathing Reason : Unike N_(2) He is insoluble in blood ever under high pressure

Statement I : Deep sea divers use He-O_(2) mixture for breathing Statement II : Unlike N_(2) , He is not soluble in blood even under high pressure.

For breathing. Deep-sea divers use a mixture of dioxygen and

Assertion: A mixture of He and O_(2) is used for respiration for deep sea divers. Reason: He is soluble in blood.

Assertion (A): Helium used in diving apparatus. Reason (R): Helium is very less soluble in blood.

Helium mixed with oxygen is used in the treatment of

CBSE COMPLEMENTARY MATERIAL-PRACTICE PAPER 4-SECTION : C
  1. Assertion-Deep sea divers use Helium and oxygen mixture for breathing....

    Text Solution

    |

  2. Give reason: Aniline gets coloured on standing in air for a long time...

    Text Solution

    |

  3. Give reason: Secondary amine is more basic than primary and teritiary...

    Text Solution

    |

  4. Give reason: Aniline is a weaker base than cyclohexylamine.

    Text Solution

    |

  5. When 1.5 g of non-volatile solute was dissolved in 90 g of benzene, th...

    Text Solution

    |

  6. Give reason for the following observations: When silver nitrate solu...

    Text Solution

    |

  7. Give reason why a finely divided substance is more effective as an ads...

    Text Solution

    |

  8. Give reason for the following observations: Lyophilic collooids are...

    Text Solution

    |

  9. Write the product (s) formed when 2-Bromopropane undergoes dehydrohal...

    Text Solution

    |

  10. Write the product (s) formed when Chlorobenzene undergoes nitration r...

    Text Solution

    |

  11. Write the product (s) formed when Methylbromide is treated with KCN

    Text Solution

    |

  12. A reaction is first order in A and of second order in B. Write the dif...

    Text Solution

    |

  13. A reaction is first order in A and second order in B. How is rate affe...

    Text Solution

    |

  14. A reaction is first order in A and second order in B : How is the rate...

    Text Solution

    |

  15. Explain the following: Amino acids behave like salts rather than si...

    Text Solution

    |

  16. Explain the following: The two strands of DNA are complementary to ...

    Text Solution

    |

  17. Explain the following: Reaction of glucose that indicates that the ...

    Text Solution

    |

  18. Name the branched chain component of starch.

    Text Solution

    |

  19. Ribose in RNA and deoxyribose in DNA differ in the structure around wh...

    Text Solution

    |

  20. How many peptide linkages are present in a tripeptide?

    Text Solution

    |

  21. Cr(NH3)4Cl2Br has been isolated in two forms A and B. the form Areacts...

    Text Solution

    |