Home
Class 7
CHEMISTRY
Purifying water by spraying it into sunl...

Purifying water by spraying it into sunlight to kill bacteria is called:

A

transpiration

B

filtration

C

evaporation

D

aeration

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • SYNTHETIC FIBRES AND PLASTICS

    NCERT TELUGU|Exercise EXERCISE|16 Videos
  • WEATHER AND CLIMATE

    NCERT TELUGU|Exercise Improving your learning|18 Videos

Similar Questions

Explore conceptually related problems

Ice changing into water is called

Chlorine passing into water is called.

Water passing down through the soil particles is called………….

Pumping of water into air for purifications is called.

Killing of the silk moth larva’s is called

The water found below water table is called:

The process of removing of lighter ganse particles by washing in a current of water is called

Ammonia is converted to nitrite by a bacteria called –

Plants, algae etc which use sunlight to make their food are called

Water glands are also called

NCERT TELUGU-WATER-EXERCISE
  1. Statement A: Chlorine kills harmful disease causing organisms present ...

    Text Solution

    |

  2. Statement A: Nitrates, phosphates, metals etc. are examples for organi...

    Text Solution

    |

  3. Which is true about the process Aeration ?(i) It is used for removal o...

    Text Solution

    |

  4. Which of the following is not true about sewage(i) Sewage is more in r...

    Text Solution

    |

  5. Purifying water by spraying it into sunlight to kill bacteria is calle...

    Text Solution

    |

  6. A simple techinique that breaks down waste material and helps in the g...

    Text Solution

    |

  7. The disease causing germs in waste water can be killed by using the ga...

    Text Solution

    |

  8. International decade for action on Water for life' is

    Text Solution

    |

  9. Available fresh water on land is of the total water

    Text Solution

    |

  10. Oldest VanaSamrakshana Samithi in A.P. is

    Text Solution

    |

  11. When do we celebrate World Water Day?

    Text Solution

    |

  12. The waste water from the bathroom can be led intoto grow vegetables:

    Text Solution

    |

  13. Biogas is produced by

    Text Solution

    |

  14. Solids like faeces which settle at the bottom of a large tank during t...

    Text Solution

    |

  15. This allows growth of microbes that breakdown wastes

    Text Solution

    |

  16. Rearrange the following sentences in a correct order(i) A skimmer remo...

    Text Solution

    |

  17. Fill in the Blanks and give reasons:Cleaning of water is a process of ...

    Text Solution

    |

  18. Fill in the Blanks and give reasons:Waste water released by houses is ...

    Text Solution

    |

  19. Fill in the Blanks and give reasons:Dried isused as a manure.

    Text Solution

    |

  20. Fill in the Blanks and give reasons:Drains get blocked byand

    Text Solution

    |