Home
Class 11
CHEMISTRY
Ozone is used for purifying water becaus...

Ozone is used for purifying water because

A

It dissociates and release oxygen

B

Do not leave any foul smell like chlorine

C

Kills bacteria 'cyst' fungi and acts as a biocide

D

All of the above

Text Solution

Verified by Experts

The correct Answer is:
D
Ozone is used to purify water `rarr` Ozone kills bacteria, cysts, fungi, mold, parasites, viruses, contaminates etc. It is one of the effective way of eliminating microorganism in the water. Ozone also oxidizes toxins and odours. `O_3` is most effective oxidant (secondary to `F_2` ). It inactivates and oxidizes organic matter,contaminates, pesticides, viruses and bacteria faster than chlorine. `O_3` do not form TMH which have unpleasant odour and are also carcinogenic. `O_3` is very good biocide. Ozone also absorb UV radiation.
Promotional Banner

Topper's Solved these Questions

  • HYDROGEN

    ERRORLESS|Exercise NCERT BASED QUESTION (Hydrogen Peroxide)|39 Videos

  • HYDROGEN

    ERRORLESS|Exercise PAST YEARS QUESTIONS |16 Videos

  • HYDROGEN

    ERRORLESS|Exercise ASSERTION & REASON|6 Videos

  • HYDROCARBONS

    ERRORLESS|Exercise ASSERTION & REASON|18 Videos

  • IONIC EQUILIBRIUM

    ERRORLESS|Exercise ASSERTION AND REASON |9 Videos

Similar Questions

Explore conceptually related problems

The alum used for purifying water is

The alum used for purifying water is

Alum is used in purifying water by :

Lead pipes are not used for carrying drinking water because

ERRORLESS-HYDROGEN-NCERT BASED QUESTION (Water or Hydride of Oxygen)
  1. Sodium sulphate is soluble in water but barium sulphate is insoluble b...

    Text Solution

    |

  2. When two ice cubes are pressed over each other, they unite to form one...

    Text Solution

    |

  3. What is formed when calcium carbide reacts with heavy water?

    Text Solution

    |

  4. A sample of water containing some dissolved table sugar and common sal...

    Text Solution

    |

  5. Which of the following can effectively remove all types of hardness of...

    Text Solution

    |

  6. What is true about ice ?

    Text Solution

    |

  7. Hardness producing salt, whose solubility in water decreases with rise...

    Text Solution

    |

  8. Ordinary water is not used as a moderator in nuclear reactors because

    Text Solution

    |

  9. The solubility of an ionic compound is compared in heavy and simple wa...

    Text Solution

    |

  10. The process used for the removal of hardness of water is

    Text Solution

    |

  11. Which of the following compounds is used for water softening ?

    Text Solution

    |

  12. Ozone is used for purifying water because

    Text Solution

    |

  13. The maximum prescribed concentration of cadmium in drinking water in p...

    Text Solution

    |

  14. Which of the following acid is formed when SiF(4) reacts with water ?

    Text Solution

    |

  15. The pH of D(2)O and H(2)O at 298 K is

    Text Solution

    |

  16. Which of the following is not true ?

    Text Solution

    |

  17. Water obtained by purification with organic ion exchange resins is

    Text Solution

    |

  18. Saline hydrides react explosively with water, such fires can be exting...

    Text Solution

    |

  19. Plumbosolvency is a health hazard in the transporatatino of

    Text Solution

    |

  20. Indicator type silica gel used as a dehumidifier contains

    Text Solution

    |