Home
Class 11
CHEMISTRY
Water pollution is less if BOD is...

Water pollution is less if `BOD` is

A

less than 5 ppm

B

less than 15ppm

C

less than 50 ppm

D

less than 100 ppm

Text Solution

Verified by Experts

The correct Answer is:
A

Clean water has `BOD` value of less than 5 ppm.
Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENTAL CHEMISTRY

    A2Z|Exercise Section B - Assertion Reasoning|14 Videos
  • ENVIRONMENTAL CHEMISTRY

    A2Z|Exercise AIPMT/NEET Questions|10 Videos
  • CLASSIFICTION, PURIFICATION AND NOMENCLATURE OF ORGANIC COMPOUNDS

    A2Z|Exercise Section D - Chapter End Test|30 Videos
  • HYDROCARBONS

    A2Z|Exercise Section D - Chapter End Test|30 Videos

Similar Questions

Explore conceptually related problems

[A] : Population density of indicator organisms show degree of water pollution . [R] : BOD is an index of organic waste in water .

Assertion: Water pollutants are measured by BOD. Reason: If BOD is more, the water is polluted.

Water Pollution || Sources of Water Pollution || Entrophication || iological magnification

Biochemical Oxygen Demand (BOD) value can be a measure of water pollution caused by the organic matter which of the following statement is correct ?

Biochemical oxygen demand(BOD) value can be a measure of water pollution caused by the organic matter. Which the following statements is correct?

Statement-1: Water is polluted by organic wastes and Statement-2: The amount of organic wastes is measured by the BOD.

Biochemical Oxygen Demand (BOD) may not be a good index for pollution in water bodies receiving effluents from

A2Z-ENVIRONMENTAL CHEMISTRY-Section D - Chapter End Test
  1. Water pollution is less if BOD is

    Text Solution

    |

  2. When polluted air is scrubbed with H(2)SO(4) solution,

    Text Solution

    |

  3. Negative soil pollutant is

    Text Solution

    |

  4. Which of the following chemical, harmful to ozone , released by chloro...

    Text Solution

    |

  5. Which of the following statement about sewage treatment is false?

    Text Solution

    |

  6. Oxides of sulphur and nitrogen can be removed by scrubbing with

    Text Solution

    |

  7. Which of the following in not an example of green chemistry?

    Text Solution

    |

  8. Which of the following is the coldest region of atmosphere

    Text Solution

    |

  9. Most hazardous metal pollutant of automobile exhausts is :

    Text Solution

    |

  10. NO and H(2)S both the pollutants of air. NO is H(2)S remover while H(2...

    Text Solution

    |

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

    Text Solution

    |

  12. Classical smog occurs in places of :

    Text Solution

    |

  13. Which of the following is not a herbicide?

    Text Solution

    |

  14. Which of the following is not involved in the formation of photochemic...

    Text Solution

    |

  15. Which is not the constituent of photochemical smog?

    Text Solution

    |

  16. DDT is

    Text Solution

    |

  17. Smog can be controlled by

    Text Solution

    |

  18. Domestic waste mostly constitute:

    Text Solution

    |

  19. The gas leaked from a stronge tank of the Union Carbide plant in Bhopa...

    Text Solution

    |

  20. Which is not correct statement for classical smog?

    Text Solution

    |

  21. Which of the following is the primary precursor of photochemical smog?

    Text Solution

    |