What do you mean by sewage?

Important Questions on Wastewater Story

EASY

7th CBSE

IMPORTANT

Exam Guru Science>Chapter 18 - Wastewater Story>Exercise 18.1>Q II

What is sewage treatment plant?

EASY

7th CBSE

IMPORTANT

Exam Guru Science>Chapter 18 - Wastewater Story>Exercise 18.1>Q II

Explain the term ‘Activated Sludge’.

EASY

7th CBSE

IMPORTANT

Exam Guru Science>Chapter 18 - Wastewater Story>Exercise 18.1>Q II

Explain the term ‘eutrophication’.

EASY

7th CBSE

IMPORTANT

Exam Guru Science>Chapter 18 - Wastewater Story>Exercise 18.1>Q II

What is the difference between ‘sewers’ and ‘sewerage’?

MEDIUM

7th CBSE

IMPORTANT

Exam Guru Science>Chapter 18 - Wastewater Story>Exercise 18.1>Q III

A mixture (X) in water contains suspended solid organic impurities, inorganic impurities (A), nutrients (B), disease-causing bacteria and other microbes. Give names for X, A and B.

MEDIUM

7th CBSE

IMPORTANT

Exam Guru Science>Chapter 18 - Wastewater Story>Exercise 18.1>Q III

Mention some types of contaminants present in the sewage.

MEDIUM

7th CBSE

IMPORTANT

Exam Guru Science>Chapter 18 - Wastewater Story>Exercise 18.1>Q III

What are the different types of sewage? Explain.

MEDIUM

7th CBSE

IMPORTANT

Exam Guru Science>Chapter 18 - Wastewater Story>Exercise 18.1>Q III

What are the harmful effects of sewage?