Sewerage System
Sewerage System: Overview
This topic covers concepts, such as, Sewage Treatment, Water Disinfectants, Filtration of Polluted Water & Chlorination of Polluted Water etc.
Important Questions on Sewerage System
Urea is an _____ impurity present in sewage.

Untreated human urine is a health hazard. Explain.

Mark the correct option.
Which of the following organic waste contaminates water.

Animal wastes in water are called organic impurities.




List down any two contaminants of water that causes water pollution.


Write the scientific name of the pathogen of naru (Bala) disease.

Name the process in which the water is usually sprayed through air.

In this process of purification of water, bleaching powder is added.

Unscramble the given word to make a meaningful word:
CSIDFNIENTTA

Urine contaminants are a part of organic impurities in water.

Animal waste in water is an example of organic impurities.

What is the consequence of improper management of sewage?

Which of the following is a part of inorganic impurities of the sewage?

The contamination of seawater does not affect our environment.

Sewage should be treated well before being discharged it into water bodies.

Give a one-word answer for the following.
Which chemical is commonly added to disinfect water at home?
(Hint: It is recognised for its pungent, irritating odour in its gas form.)
