Home
Class 11
CHEMISTRY
In cold water DO(Dissolved Oxygen) can r...

In cold water `DO`(Dissolved Oxygen) can reach a concentration up to `X` ppm whereas oxygen in air is about `Y ppm` . `X` and `Y` are

A

`X=10, Y=20`

B

`X=10, Y=2.0xx10^(5)`

C

`X=10, Y=2.0xx10^(4)`

D

`X=20, Y=10`

Text Solution

Verified by Experts

The correct Answer is:
B
`DO` (Dissolved oxygen) can reach a concentration of `(X) 10 ppm` while oxygen in air is about `(Y) 2.0 xx 10^(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

The concentration of dissolved oxygen (DO) in cold water can go upto:

In frog, oxygen dissolved in water can be taken by

Ifthe concentration of dissolved oxygen in water is below X ppm, the growth of fish gets inhibited X is :

Assertion : Soluable fluoride is often added to drinking water to bring its concentration up to 1 ppm. Reason : F^(-) ion concentration above 2 ppm causes brown mottling of teeth.

A liter of sea water (which weighs 1030 g ) contains about 6xx10^(-3)g of dissolved oxygen (O_(2)) , such a small concentration can be exoressed as ___ ppm of sea waer

A sample ofsea water contains 5xx10^(-3)g of dissolved oxygen in 1 kg of the sample. The concentration of O_(2) in that sea water sample in ppm is

On litre of sea water weighs 1050 grams and contains 6 xx 10^(-3)g of dissolved oxygen gas. Calculate the concentration of the dissolved oxygen in ppm.

A2Z-ENVIRONMENTAL CHEMISTRY-Section D - Chapter End Test
  1. In cold water DO(Dissolved Oxygen) can reach a concentration up to X p...

    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

    |