Home
Class 12
CHEMISTRY
What is the role of activated charcoal i...

What is the role of activated charcoal in gas mask used in coal mines?

Text Solution

Verified by Experts

Activated charcoal acts as an adsorbent for various poisonous gases present in the coal mines.
Promotional Banner

Topper's Solved these Questions

  • SURFACE CHEMISTRY

    MODERN PUBLICATION|Exercise NCERT FILE (SOLVED) (NCERT EXEMPLAR PROBLEMS) (MATCHING TYPE QUESTIONS )|6 Videos

  • SURFACE CHEMISTRY

    MODERN PUBLICATION|Exercise NCERT FILE (SOLVED) (NCERT EXEMPLAR PROBLEMS) (ASSERTION AND REASON TYPE QUESTIONS)|5 Videos

  • SURFACE CHEMISTRY

    MODERN PUBLICATION|Exercise NCERT FILE (SOLVED) (NCERT EXEMPLAR PROBLEMS) (MULTIPLE COICE QUESTIONS (TYPE-II))|12 Videos

  • SOLUTIONS

    MODERN PUBLICATION|Exercise UNIT PRACTICE TEST|14 Videos

Similar Questions

Explore conceptually related problems

The role of the activation charcoal in gas mask used coal mine is

(i) What is the role of activated charcoal in gas mask ? (ii) A colloidal sol is prepared by the given method in figure. What is the charge on hydrated ferric oxide colloidal particles formed in the test tube ? How is the sol represented? (iii) How does chemisorption vary with temperature?

Activated charcoal is prepared by :

MODERN PUBLICATION-SURFACE CHEMISTRY-NCERT FILE (SOLVED) (NCERT EXEMPLAR PROBLEMS) (SHORT ANSWER TYPE QUESTIONS)
  1. What causes Brownian motion in colloidal dispersion?

    Text Solution

    |

  2. A colloid is formed by adding FeCl(3) in excess of hot water. What wil...

    Text Solution

    |

  3. How do emulsifiers stabilise emulsion ? Name two emulsifiers.

    Text Solution

    |

  4. Why are some medicines more effective in the colloidal form ?

    Text Solution

    |

  5. Why does leather get hardened after tanning ?

    Text Solution

    |

  6. How does the precipitation of colloidal smoke take place in Cottrell p...

    Text Solution

    |

  7. How will you distiguish between dispersed phase and dispersion medium ...

    Text Solution

    |

  8. On the basis of Hardy-Schulze rule explain why the coagulating power o...

    Text Solution

    |

  9. Why does bleeding stop by rubbing moist alum?

    Text Solution

    |

  10. Why is Fe(OH)(3) colloid positively charged when prepared by adding Fe...

    Text Solution

    |

  11. Why do physisorption and chermisorption behave differently with rise i...

    Text Solution

    |

  12. What happens when dialysis is prolonged?

    Text Solution

    |

  13. Why does the white precipitate of silver halide become coloured in the...

    Text Solution

    |

  14. What is the role of activated charcoal in gas mask used in coal mines?

    Text Solution

    |

  15. How does a delta form at the meeting place of sea and river water?

    Text Solution

    |

  16. Given an example where physisorption changes to chemisorption with ris...

    Text Solution

    |

  17. Why is desorption important for a substance to act as good catalyst?

    Text Solution

    |

  18. What is the role of diffusion in heterogeneous catalyst?

    Text Solution

    |

  19. How does a solid catalyst enhance the rate of combination of gaseous ...

    Text Solution

    |

  20. Do the vital functions of the body such as digestion get affected duri...

    Text Solution

    |