Home
Class 12
CHEMISTRY
How does the precipitation of colloidal ...

How does the precipitation of colloidal smoke take place in Cottrell precipitator?

Text Solution

Verified by Experts

In Cottrell precipitator, smoke particles (charged) are passed through a chamber containing plates with charge opposite to the smoke particles, smoke particles lose their charge on th plates and get precipitated.
Promotional Banner

Topper's Solved these Questions

  • SOLUTIONS

    NCERT EXEMPLAR|Exercise Solutions|62 Videos

Similar Questions

Explore conceptually related problems

Cottrell precipitator is used

How does the formation of stones take place in kidney?

How does the process of fertilisation take place in flowers?

How does geotropism take place?

Smoke is a colloidal sol of

Process of aggregation of colloidal particles into an insoluble precipitate by the addition of some suitable electrolye is known as

NCERT EXEMPLAR-SURFACE CHEMISTRY-Surface Chemistry
  1. Why are some medicines more effective in the colloidal form?

    Text Solution

    |

  2. Why does leather get hardened after tanning?

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  5. On the basis of Hardy-schulze rule explain why the coagulating power o...

    Text Solution

    |

  6. Why does bleeding stop by rubbing moist alum?

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  9. What happens when dialysis is prolonged?

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  18. Method of formation of solution is given in Column I. Match it with th...

    Text Solution

    |

  19. Match the statement given in Column I with the phenomenon given in Col...

    Text Solution

    |

  20. Match the items given in Column I and Column II. {:(,"Column I","Co...

    Text Solution

    |