Home
Class 11
CHEMISTRY
KO2 is used in oxygen cylinders that are...

`KO_2` is used in oxygen cylinders that are used for submarines and spacecrafts because -

A

it increases the amount of oxygen by absorbing `CO_2`

B

it elimninates water vapour

C

it absorbs `CO_2`

D

It forms `O_3`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • s-BLOCK ELEMENTS

    CHHAYA PUBLICATION|Exercise MCQ HOTSPOT (MORE THAN ONE CORRECT TYPE)|30 Videos

  • s-BLOCK ELEMENTS

    CHHAYA PUBLICATION|Exercise EXERCISE (VERY SHORT-TYPE QUESTIONS)|40 Videos

  • s-BLOCK ELEMENTS

    CHHAYA PUBLICATION|Exercise ENTRANCE QUESTION BANK|38 Videos

  • REDOX REACTIONS

    CHHAYA PUBLICATION|Exercise PRACTICE SET|4 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    CHHAYA PUBLICATION|Exercise PRACTICE SET|13 Videos

Similar Questions

Explore conceptually related problems

Algae are useful because they

Duramen is used as timber because

Polyphosphates are used as water softening agents because they

Potassium super oxide is used in space and submarines because it:

Moss peat is used as a packing material for sending flowers and live plants to distant places because

Plasmids are used in genetic engineering because they are

Drosophila is used in the study of genetics because

Use of chlorofluoro carbone is not encouraged because

Plasmids are used in genetic engineering because they are

Floral features are commonly used for identification of angiosperms because

CHHAYA PUBLICATION-s-BLOCK ELEMENTS -MCQ HOTSPOT (SINGLE CORRECT TYPE)
  1. The alkali metal which emits a light of shortest wave-length in the fl...

    Text Solution

    |

  2. The correct order of ionic mobility of the following ions in their aqu...

    Text Solution

    |

  3. Which of the following compounds is not used for storing or immersing ...

    Text Solution

    |

  4. Which of the following compounds is paramagnetic

    Text Solution

    |

  5. KO2 is used in oxygen cylinders that are used for submarines and space...

    Text Solution

    |

  6. Which of the following compounds is most stable-

    Text Solution

    |

  7. The alkali metal for which photoelectric effect is maximum is -

    Text Solution

    |

  8. The melting points of alkali metals are low. Which of the alkali metal...

    Text Solution

    |

  9. Which of the following alkali metal hydroxides is the most basic in na...

    Text Solution

    |

  10. The metal whose carbonate salt is the most stable is-

    Text Solution

    |

  11. Which of the following compounds is used for manufacturing soft soaps-

    Text Solution

    |

  12. The atomic number of a radioactive alkali metal is-

    Text Solution

    |

  13. Which of the following is used for the manufacture of high temperature...

    Text Solution

    |

  14. The mixture of MgCl2 and MgO is known as -

    Text Solution

    |

  15. Which of the following alkaline earth metals does not form its corresp...

    Text Solution

    |

  16. Which of the following alkaline earth metal hydroxides is soluble in N...

    Text Solution

    |

  17. The chloride salt which is soluble in ethanol is-

    Text Solution

    |

  18. Which of the following is produced when one mole of magnesium nitride ...

    Text Solution

    |

  19. Which of the following method is used for the preparation of calcium-

    Text Solution

    |

  20. Which alkaline earth metal ion plays a vital role in contraction of mu...

    Text Solution

    |