EASY
7th CBSE
IMPORTANT
Earn 100

Suggest any four methods to control water pollution.

Important Questions on Journey of Wastewater

MEDIUM
7th CBSE
IMPORTANT
New Science Spark Book 7>Chapter 19 - Journey of Wastewater>Put on your THINKING CAP!>Q 8
Explain the wastewater treatment process.
EASY
7th CBSE
IMPORTANT
New Science Spark Book 7>Chapter 19 - Journey of Wastewater>Put on your THINKING CAP!>Q 8
What can be done to improve sanitation in public places? Give four methods.
HARD
7th CBSE
IMPORTANT
New Science Spark Book 7>Chapter 19 - Journey of Wastewater>Put on your THINKING CAP!>Q 8
How do water treatment plants maintain the quality of drinking water?
HARD
7th CBSE
IMPORTANT
New Science Spark Book 7>Chapter 19 - Journey of Wastewater>Put on your THINKING CAP!>Q 8
Describe two on-site sewage disposal systems.
EASY
7th CBSE
IMPORTANT
New Science Spark Book 7>Chapter 19 - Journey of Wastewater>Put on your THINKING CAP!>Q 9

Define aeration.

EASY
7th CBSE
IMPORTANT
New Science Spark Book 7>Chapter 19 - Journey of Wastewater>Put on your THINKING CAP!>Q 9

Define coagulation.

EASY
7th CBSE
IMPORTANT
New Science Spark Book 7>Chapter 19 - Journey of Wastewater>Put on your THINKING CAP!>Q 9

Define the given term. Sludge

EASY
7th CBSE
IMPORTANT
New Science Spark Book 7>Chapter 19 - Journey of Wastewater>Put on your THINKING CAP!>Q 9

Define the following term: Contaminants