MEDIUM
7th CBSE
IMPORTANT
Earn 100

State a difference between sewage and sewer.

Important Questions on Management of Wastewater

EASY
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 19 - Management of Wastewater>ASSESSMENT ZONE>Q E
Why is chlorine gas passed through treated sewage?
MEDIUM
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 19 - Management of Wastewater>ASSESSMENT ZONE>Q F
What is wastewater? Explain its two chief sources.
MEDIUM
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 19 - Management of Wastewater>ASSESSMENT ZONE>Q F
How mining and leakage from sewer lines affect the water?
MEDIUM
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 19 - Management of Wastewater>ASSESSMENT ZONE>Q F
Why do we need an effective drainage system?
MEDIUM
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 19 - Management of Wastewater>ASSESSMENT ZONE>Q F
What is the use of sedimentation tank while treating water?
MEDIUM
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 19 - Management of Wastewater>ASSESSMENT ZONE>Q F
Discuss two of the alternative methods for sewage disposal.
MEDIUM
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 19 - Management of Wastewater>ASSESSMENT ZONE>Q F
Explain the preventive measures of water pollution.
MEDIUM
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 19 - Management of Wastewater>ASSESSMENT ZONE>Q F
Why chlorine is added to the swimming pools?