Home
Class 7
BIOLOGY
Cleaning of water is a process of removi...

Cleaning of water is a process of removing.

Promotional Banner

Topper's Solved these Questions

  • SPEED DISPERSAL

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|55 Videos

  • WEATHER AND CLIMATE

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|78 Videos

Similar Questions

Explore conceptually related problems

Ozonization of water is carried out to remove

How do you prepare distilled water? Explain the process of distilling water.

Laxmi says that sedimentation and decantation are used at home while cleaning rice and pulses for cooking. Describe the sediments in this process.

Explain the terms hard water and soft water. Write a note on the (ii) Calgon method for the removal of hardness of water.

Observe the fields in your surrounding and collect information from farmers about the process to remove weeds.

Assertion (A) : The process of settling of heavier insoluble particles from a suspension of a substance in water known as decantation. Reason (R) : This process along with sedimentation is used to get clear water from muddy water.

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

Can we use a detergent with hard water for the purpose of cleaning ? Explain.

The process of dissolving an acid or a base in water is an____process.

VGS PUBLICATION-BRILLIANT-WATER TOO LITTLE TO WASTE-EXERCISE
  1. Cleaning of water is a process of removing.

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  5. What is sewage ? Explain why it is harmful to discharge untreated sewa...

    Text Solution

    |

  6. Why should oils and fats not be released into the drain? Explain.

    Text Solution

    |

  7. Name two chemicals used to disinfect the water.

    Text Solution

    |

  8. Explain the function of bar screens in a waste water treatment plant.

    Text Solution

    |

  9. Explain the relationship between sanitation and disease.

    Text Solution

    |

  10. Outline your role as an active citizen in relation to sanitation.

    Text Solution

    |

  11. What would you do to motivate people in your street to utilise toilets...

    Text Solution

    |

  12. What would happen if there are no microbes that break down wastes in s...

    Text Solution

    |

  13. What points would you like to address in the letter for you panchayat ...

    Text Solution

    |

  14. Go to a nearby railway station/bus station/hospital/industry. What typ...

    Text Solution

    |

  15. Fresh water is scarce. What is your contribution to make your family m...

    Text Solution

    |

  16. Prepare at least 5 slogans on "Don't waste water.

    Text Solution

    |

  17. Make a write up for your activity project on preservation of rain wate...

    Text Solution

    |

  18. Is there a check dam or any other water conservation unit in your vill...

    Text Solution

    |

  19. Have you got any doubt about diseases caused byuntreated water? List t...

    Text Solution

    |

  20. If you see water running off from a public tap, what would you do abou...

    Text Solution

    |