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?

Promotional Banner

Topper's Solved these Questions

  • SURFACE CHEMISTRY

    PRADEEP|Exercise VIII. (MULTIPLE CHOICE QUESTIONS)|4 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    PRADEEP|Exercise Competition (FOCUS) JEE (Main and Advanced)/Medical Entrance SPECIAL (VIII. Assertion-Reason Type Questions)(Type II)|13 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 :

PRADEEP-SURFACE CHEMISTRY -IMPORTANT QUESTIONS (FOR BOARD EXAMINATION)
  1. What is an adsorption isotherm? Describe Freundlich adsorption isother...

    Text Solution

    |

  2. What role does adsorption play in heterogeneous catalysis ?

    Text Solution

    |

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

    Text Solution

    |

  4. Why is ester hydrolysis slow in the beginning and becomes faster after...

    Text Solution

    |

  5. What do you mean by activity and selectivity of catalysts ?

    Text Solution

    |

  6. Descirbe some features of catalysis by zeolites.

    Text Solution

    |

  7. What are enzymes ? Write in brief the mechanism of enzyme catalysis ?

    Text Solution

    |

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

    Text Solution

    |

  9. What is Ziegler-Natta catalyst ? Give the reaction for which it is use...

    Text Solution

    |

  10. Comment on the statement that " colloid is not a substance but state ...

    Text Solution

    |

  11. What is the difference between multimolecular and macromolecular colli...

    Text Solution

    |

  12. What are lyophilic and lyophobic sols ? Give one example of each type....

    Text Solution

    |

  13. What is collodion ?

    Text Solution

    |

  14. How will you obtain a colodial sol of aresenious sulphide ?

    Text Solution

    |

  15. How can you make dialysis fast ?

    Text Solution

    |

  16. Gold sol can be prepared by

    Text Solution

    |

  17. What happens when dialysis is prolonged ?

    Text Solution

    |

  18. What is common in aqua sols and solid aerosol? How do they differ?

    Text Solution

    |

  19. What happens when a colloidal sol of Fe(OH)(3) is mixed with that of A...

    Text Solution

    |

  20. What will happen if gelatin is added to a goal sol ?

    Text Solution

    |