Home
Class 11
CHEMISTRY
The amount of oxygen required to oxidise...

The amount of oxygen required to oxidise organic substance present in water is called

A

DO

B

COD

C

BOD

D

TLV

Text Solution

Verified by Experts

The correct Answer is:
B
COD
Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENTAL CHEMISTRY

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LECTURE SHEET)|27 Videos

  • ENVIRONMENTAL CHEMISTRY

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LECTURE SHEET)(ASSERTION & REASON TYPE QUESTIONS)|8 Videos

  • ENVIRONMENTAL CHEMISTRY

    AAKASH SERIES|Exercise LECTURE SHEET (STRAIGHT OBJECTIVE TYPE QUESTIONS)|45 Videos

  • ELEMENTS OF CARBON FAMILY

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE - 3 (Recent AIPMT/NEET Questions) |10 Videos

  • GENERAL ORGANIC CHEMISTRY

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|35 Videos

Similar Questions

Explore conceptually related problems

The amount of oxygen required to oxidies organic substance present in water is called

The amount of oxygen used by the suitable microorganisms present in water during five days at 20^(@)C is called as BOD. For pure water BOD is about 1 ppm fairly pure water 3 ppm and doubtful purity 5 ppm the municipal sewage has BOD values 100-4000 ppm. BOD= Number of moles of O_2 required / Number of liters of water sample If water is polluted its BOD value is

The amount of oxygen used by the suitable microorganisms present in water during five days at 20^(@)C is called as BOD. For pure water BOD is about 1 ppm fairly pure water 3 ppm and doubtful purity 5 ppm the municipal sewage has BOD values 100-4000 ppm. BOD= Number of moles of O_2 required / Number of liters of water sample The BOD value of municipal sewage is

The amount of oxygen used by the suitable microorganisms present in water during five days at 20^(@)C is called as BOD. For pure water BOD is about 1 ppm fairly pure water 3 ppm and doubtful purity 5 ppm the municipal sewage has BOD values 100-4000 ppm. BOD= Number of moles of O_2 required / Number of liters of water sample BOD is normally cxpressed for a time period of

The amount of oxygen used by micro organisms present in water for five days at 20^@C is called

The amount of oxygen used by micro organisms present in water for five days at 20^@C is called

Organic impurities present in waste water

AAKASH SERIES-ENVIRONMENTAL CHEMISTRY-PRACTICE SHEET (STRAIGHT OBJECTIVE TYPE QUESTIONS)
  1. Three samples of water A, Band C have the D.O levels of 4 ppm, and 3.8...

    Text Solution

    |

  2. A good quality of water will have

    Text Solution

    |

  3. The amount of oxygen required to oxidise organic substance present in ...

    Text Solution

    |

  4. Chemical oxygen demand is determined by using

    Text Solution

    |

  5. The TLV values of four pollutants A, B, C and Dare 9ppm, 10ppm, 100ppm...

    Text Solution

    |

  6. 100 ml of a sample of water requires 0.98mg of K(2)(M.W.= 294 ) in pr...

    Text Solution

    |

  7. A sample of pond water containing 20mg of organic matter requires 16 m...

    Text Solution

    |

  8. COD of a water sample is 8ppm the weight of acidified K(2)Cr(2) O(7) r...

    Text Solution

    |

  9. The region which is greatly affected by air pollution is

    Text Solution

    |

  10. The region which contains watcr vapour is

    Text Solution

    |

  11. Solid component of the carth consisting of soil, rocks and mountains i...

    Text Solution

    |

  12. Which of the following is a primary pollutant

    Text Solution

    |

  13. The greatest affinity for haemoglobin is shown by

    Text Solution

    |

  14. The most abundant hydrocarbon pollutant is

    Text Solution

    |

  15. Ozone layer is present in

    Text Solution

    |

  16. In which or the following region ionisation of gases takes place

    Text Solution

    |

  17. Heat bnlanee on earth surface is maintained by circulation of air in

    Text Solution

    |

  18. Lung diseases arc four times more in urban areas than in rural areas. ...

    Text Solution

    |

  19. The pH of acid rain may be

    Text Solution

    |

  20. Acid rains contain

    Text Solution

    |