NCERT Solutions for Class 8 Science Chapter 18

NCERT Solutions Class 8 Science Chapter 18: Important Topics

Pollution of Air and Water is a serious concern. Therefore, students must be aware of it. Preparing for the Class 8 Science Chapter 18 will not only help them score more but also become aware of the environment. As a result, students can easily go through the theory part and get more marks.

Embibe provides 3D videos, Explainers and Exemplars that can be a great way to prepare for exams. Students must ensure that they focus on every unit carefully so that they can score more marks. The chapter deals with the pollution of air and soil. Students who face problems can refer to the materials of Embibe.

As a result, the students will be able to stay ahead in their preparation. The study materials are prepared from the best textbooks which can be a great resource for preparing for the exam. At the same time, students must refer to all subtopics as it will be helpful.

Sr No	Topic
18.1	Introduction to Pollution
18.2	Air Pollution
18.3	Greenhouse Effect
18.4	Water Pollution

NCERT Solutions for Class 8 Science Chapter 18: Points to Remember

Given below are some points to remember for Class 8 Science Chapter 18:

Human activities like deforestation, overpopulation, industrialisation, excessive use of fertilisers and pesticides, and creation of cities for housing and transport facilities have led to pollution of air and water.

Acid rain refers to the fall down of acids with rain on the earth.

Greenhouse effect: Accumulation of excessive carbon dioxide traps large amounts of heat and increases the earth’s temperature.

Water pollution is the contamination of water by unwanted substances.

Pollution refers to the addition to the environment (air, water and soil) of substances that make it harmful to living organisms.

Students can learn more important points of Class 8 Science Chapter 18 from Embibe.

FAQs on NCERT Solutions for Class 8 Science Chapter 18

Some of the frequently asked questions on the NCERT Solutions for Class 8 Science Chapter 18 are as follows:

Q: Where to get the NCERT Solutions for Class 8 Science Chapter 18?

Ans: Students can access the NCERT Solutions for Class 8 Science Chapter 18 from Embibe for free.

Q: Explain the differences between pure air and polluted air.

Ans: The air is said to be polluted when the composition of air is altered by the addition of harmful substances or gases such as sulfur dioxide, carbon monoxide, nitrogen dioxide, and particulate matter.

Q: What are the different ways in which water gets contaminated?

Ans: The water gets contaminated through industrial waste and sewage.

Q: Where can I find the NCERT Exemplar book for Class 8 Science for free?

Ans: Students can get the NCERT Exemplar book for Class 8 Science for free on Embibe.

Q: Why should I use these NCERT Solutions for Class 8 Science Chapter 18 on Embibe to prepare for the exams?

Ans: The NCERT Solutions for Class 8 Science Chapter 18 provided on Embibe gives simple and stepwise answers to the questions present in the textbook.

We hope this detailed article on NCERT Solutions for Class 8 Science Chapter 18 helps you prepare for the exams in the best way possible. We wish you all the best!

Table of Contents

Latest Updates

NCERT Solutions for Class 8 Science Chapter 18: Pollution of Air and Water

NCERT Solutions Class 8 Science Chapter 18: Important Topics