Home
Class 11
CHEMISTRY
What is meant by BOD?...

What is meant by BOD?

Text Solution

Verified by Experts

BOD is the amount of dissolved oxygen required by microorganism to oxidise organic organic matter present in polluted water. It is expressed in ppm. This gives a realistic measure of the quality of water.
Promotional Banner

Topper's Solved these Questions

  • CLASSIFICATION TO ELEMENTS AND PERIODICITY IN PROPERTIES

    A N EXCEL PUBLICATION|Exercise QUESTION BANK|88 Videos
  • EQUILIBRIUM

    A N EXCEL PUBLICATION|Exercise QUESTION BANK|70 Videos

Similar Questions

Explore conceptually related problems

What is meant by Boyle temperature Boyle point?

A N EXCEL PUBLICATION-ENVIRONMENTAL CHEMISTRY-QUESTION BANK
  1. Which gases are responsible for greenhouse effect? List some of them.

    Text Solution

    |

  2. Statues and monuments in India such as Tajmahal are affected by acid r...

    Text Solution

    |

  3. What is meant by BOD?

    Text Solution

    |

  4. What are pesticides and herbicides ? Explain using examples.

    Text Solution

    |

  5. What would have happened if green house gases were totally missing in ...

    Text Solution

    |

  6. A large number of fish are suddenly found floating dead on a lake. The...

    Text Solution

    |

  7. How can domestic waste be used as mannure?

    Text Solution

    |

  8. For your agriculture field or garden, you have developed a compost pro...

    Text Solution

    |

  9. What do you mean by ozone hole ?What are its consequences ?

    Text Solution

    |

  10. Atmospheric pollution increases the global average temperature and the...

    Text Solution

    |

  11. Atmospheric pollution increases the global average temperature and the...

    Text Solution

    |

  12. When the pH of the rain water drops below 5.6 it is called acid rain. ...

    Text Solution

    |

  13. The Taj Mahal in India has been affected by 'acid rain'. Explain the c...

    Text Solution

    |

  14. Organic matter such as leaves, grass, etc are major pollutants in air....

    Text Solution

    |

  15. Organic matter such as leaves, grass, etc are major pollutants in air....

    Text Solution

    |

  16. Ozone in the stratosphere is produced by the help of ultraviolet radi...

    Text Solution

    |

  17. Ozone in the stratosphere is produced by the help of uv radiations. It...

    Text Solution

    |

  18. Particulate pollutants are the minute solid particles or liquid drople...

    Text Solution

    |

  19. Particulate pollutants are the minute solid particles or liquid drople...

    Text Solution

    |

  20. a) Write any two differences between classical smog and photochemical ...

    Text Solution

    |