NCERT Solutions for Class 8 Science Chapter 18 – Pollution of Air and Water
Chemistry is a branch of science that deals with the substance that is present around us. They help in creating new substances with the use of existing substances. Technically, a chemical compound is the basic elements of every substance or compound. Due to this reason, many students find it difficult to understand. The chapter Pollution of Air and Water is also part of the chemistry. For your ease, we have readied NCERT Solutions for Class 8 Science Chapter 18 That has all the righteous matter related to the chapter.
Our team of specialists creates these NCERT Solutions for Class 8 Science Chapter 18 who have years of experience in teaching. Apart from that, these solutions contain all the solved question/answer and exercises of the chapter.
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CBSE Class 8 Science Chapter 18 – Pollution of Air and Water NCERT Solutions
Air pollution refers to the discharge of harmful gases and pollutants in the air that causes many lungs and breathing diseases and problems. While on the other hand, water pollution refers to the discharge of harmful chemicals and contaminants in the water bodies that make it harmful to drink because it can cause many health-related issues.
This chapter firstly discusses what is pollution and how they affect our surroundings and us.
Subtopics covered under NCERT Solutions for Class 8 Science Chapter 18
18.1 Air Pollution
First of all the topic discusses what is air (a mixture of three major gases namely nitrogen, oxygen, and carbon dioxide). After that, it discusses air pollution. Like what is air pollution etc.
18.2 How does Air Get Polluted?
This topic describes the various reasons by which air gets polluted. The reason includes burning of fossil fuel, smog, chlorofluorocarbons, and various others.
18.3 Case Study- The Taj Mahal
This topic discusses the reasons for yellowing of the Taj Mahal and the various pollutants that are responsible for it.
18.4 Greenhouse Effect
The topic discusses what is the greenhouse effect, how it happens and what it can do in detail.
18.5 What can be done?
This topic discusses the ways by which we can minimize and control air pollution.
18.6 Water Pollution
This topic describes what is water pollution and what harm it causes us.
18.7 How does Water Get polluted? – Case study
The topic with the river Ganga as an example describes the reason for water to get polluted. Also, what initiatives the government and local authority take to clean it (Ganga Action Plan).
18.8 What is Potable Water and How Water is Purified?
Potable water refers to that water that is safe for drinking and other use. This topic also describes the various ways of cleaning water in detail.
18.9 What can be done?
This topic discusses the ways by which we can reduce, reuse and recycle water.
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