EASY
7th CBSE
IMPORTANT
Earn 100

List three harmful effects of sewage.

Important Questions on Wastewater Story

MEDIUM
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 18 - Wastewater Story>Exercise>Q 3
Name any two low cost onsite sewage disposal systems for human wastes.
MEDIUM
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 18 - Wastewater Story>Exercise>Q 4
Name the various contaminants present in sewage.
EASY
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 18 - Wastewater Story>Exercise>Q 1
What is activated sludge?
MEDIUM
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 18 - Wastewater Story>Exercise>Q 2
What is meant by clarified water?
MEDIUM
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 18 - Wastewater Story>Exercise>Q 3
What is meant by wastewater treatment plant?
EASY
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 18 - Wastewater Story>Exercise>Q 4
What are contaminants?
HARD
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 18 - Wastewater Story>Exercise>Q 1
Why does the speed of the incoming wastewater slowdown in grit and sand removal tank?
EASY
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 18 - Wastewater Story>Exercise>Q 2
What is primary sludge? Explain how it is treated.