Home
Class 7
CHEMISTRY
What is sludge ? Explain how it is treat...

What is sludge ? Explain how it is treated .

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • PHYSICAL AND CHEMICAL CHANGES

    LAKHMIR SINGH & MANJIT KAUR|Exercise EXERCISE|102 Videos

Similar Questions

Explore conceptually related problems

What is Ohm's law? Explain how it is used to define the unit of resistance.

What is cancer ? Explain four ways of treating cancer.

What is disturbence in Hardy- Weinberg genetic equilibrium indicaitive of Explain how it is caused.

What is activated sludge ?

What is foetal ejection reflex? Explain how it leads to parturition?

What is an electromagnet ? Explain in your own words, how to make an electromagnet.

What are the Instrinsic semiconductor ? Explain how do they work?

What are biofertilizers ? Explain how fungi act as bio-fertilizers.

LAKHMIR SINGH & MANJIT KAUR-WASTE WATER STORY-EXERCISE
  1. What is meant by : sewerage?

    Text Solution

    |

  2. Explain the function of bar screen in a wastewater treatment plant.

    Text Solution

    |

  3. What is sludge ? Explain how it is treated .

    Text Solution

    |

  4. Name two useful substances which are produced by the treatment of sewa...

    Text Solution

    |

  5. What is the purpose of bubbling air into the aeration tank during the ...

    Text Solution

    |

  6. Name the various wastes which should not be thrown down the drain . W...

    Text Solution

    |

  7. why should oils and fats not be released in the drain ?

    Text Solution

    |

  8. What is a vermi-processing toilet ?

    Text Solution

    |

  9. Name the useful by -product obtained from vermi-processing toilets.

    Text Solution

    |

  10. What will happen if the large amount of waste generated at public plac...

    Text Solution

    |

  11. with the help of an example , outline your role as an active citizen i...

    Text Solution

    |

  12. What is sewage?

    Text Solution

    |

  13. State the various ways in which we produce sewage in our homes ?

    Text Solution

    |

  14. What is the name of underground pipelines which carry sewage from o...

    Text Solution

    |

  15. Explain why , it is harmful to discharge untreated sewage into rivers ...

    Text Solution

    |

  16. What is meant by the 'treatment of sewage ' ?

    Text Solution

    |

  17. What is treatment of sewages purpose?

    Text Solution

    |

  18. Draw a labelled sketch of wastewater treatment plant .

    Text Solution

    |

  19. Describe the various steps involved in getting clear water from wastew...

    Text Solution

    |

  20. which fuel can be extracted during wastewater treatment plant process?

    Text Solution

    |