Subject Experts Solutions for Chapter: Wastewater Story, Exercise 1: Exercise 18.1

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Subject Experts Science Solutions for Exercise - Subject Experts Solutions for Chapter: Wastewater Story, Exercise 1: Exercise 18.1

Attempt the practice questions on Chapter 18: Wastewater Story, Exercise 1: Exercise 18.1 with hints and solutions to strengthen your understanding. Exam Guru Science solutions are prepared by Experienced Embibe Experts.

Questions from Subject Experts Solutions for Chapter: Wastewater Story, Exercise 1: Exercise 18.1 with Hints & Solutions

EASY
7th CBSE
IMPORTANT

Explain the term ‘Activated Sludge’.

EASY
7th CBSE
IMPORTANT

Explain the term ‘eutrophication’.

EASY
7th CBSE
IMPORTANT

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

MEDIUM
7th CBSE
IMPORTANT

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

Mention some types of contaminants present in the sewage.

MEDIUM
7th CBSE
IMPORTANT

What are the different types of sewage? Explain.

MEDIUM
7th CBSE
IMPORTANT

What are the harmful effects of sewage?

HARD
7th CBSE
IMPORTANT

State the steps involved in the treatment of wastewater in the wastewater treatment plant?