Home
Class 11
CHEMISTRY
Some statements regarding air pollution ...

Some statements regarding air pollution are given. Among them, the correct statements are
(a) Above 80% of CO is released from automobiles.
(b)in urban areas, at the peak time of the traffic the level of CO is 100 to 500ppm
(c) If the percentage of CO-Hb in the blood is 32% it causes immediate death
(d) TLV of CO in the atmosphere is 9ppm

A

All one correct

B

Only a,b and d

C

Only a and d

D

Only b, c and d

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENTAL CHEMISTRY

    AAKASH SERIES|Exercise EXERCISE ON PASSAGE (PASSAGE-I)|4 Videos

  • ENVIRONMENTAL CHEMISTRY

    AAKASH SERIES|Exercise EXERCISE ON PASSAGE (PASSAGE-II)|4 Videos

  • ENVIRONMENTAL CHEMISTRY

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE - 2B|20 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

(A): CO pollution is very high from 9AM to 10 AM in Urban areas (R): Almost 80% CO is released from Automobiles

AAKASH SERIES-ENVIRONMENTAL CHEMISTRY-OBJECTIVE EXERCISE - 3
  1. Which of the following statements is false?

    Text Solution

    |

  2. A,B,C and D are four 100-mlL samples of water. Fluoride ion concentrat...

    Text Solution

    |

  3. Some statements regarding air pollution are given. Among them, the cor...

    Text Solution

    |

  4. 10^(-3) gm equivalents of K(2) Cr(2) O(7) in 50% H(2) SO(4) is needed...

    Text Solution

    |

  5. Green house gases radiate back the following radiations to the earth s...

    Text Solution

    |

  6. (A): Photo chemical smog is Oxidising in nature (R): Photo chemical...

    Text Solution

    |

  7. In the treatment of domestic sewage water, the weight of oxygen that c...

    Text Solution

    |

  8. Which of the following is not the effect of acid rain

    Text Solution

    |

  9. The BOD values of four samples of water A,B,C and D are 165 ppm. 120pp...

    Text Solution

    |

  10. When rain is accompanied by a thunderstorm, the collected rain water w...

    Text Solution

    |

  11. Which of the following reaction causes depletion of ozone layer in sum...

    Text Solution

    |

  12. A sample of pond water contains 40mg of organic matter requires 32mg o...

    Text Solution

    |

  13. Nerve toxins are

    Text Solution

    |

  14. Which is incorrectly matched ?

    Text Solution

    |

  15. Modes of controlling pollution in large cities include

    Text Solution

    |

  16. TLV values of four pollutants A,B,C and D are 2ppm, 9 ppm, 20 ppm and ...

    Text Solution

    |

  17. 100 ml of sample of water requires 3.92 mg of K2 Cr2O3 in presence of ...

    Text Solution

    |

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

    Text Solution

    |

  19. Proper management of disposal of household and industrial wastes can b...

    Text Solution

    |

  20. Incomplete combustion of petrol in automobile engines can be detected ...

    Text Solution

    |