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March 30, 2023
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NCERT Solutions for Class 8 Science Chapter 18: Pollution of Air and Water
NCERT Solutions for Class 8 Science Chapter 18: Air and water pollution is an important topic for CBSE Class 8 students to learn about in order to gain a general understanding of the pollution hazards that exist around the world. Practicing the Class 8 Science Chapter 18 NCERT solutions also helps students perform well in Class 8 final examinations and other competitive examinations.
The NCERT Solutions for Class 8 Science Chapter 18 in this article have been prepared by Embibe’s subject matter experts. Students are advised to go over the concepts thoroughly before attempting to answer all of the questions in the NCERT Class 8 Science textbook. Embibe offers over 500+ questions for all subtopics to help you prepare for the exams. This will assist them in clarifying their ideas. Embibe offers free practice to students. Continue reading to learn more.
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.
NCERT Solutions for Class 8 Science Chapter 18: All Chapters
Students can access the NCERT solutions for other chapters of CBSE Class 8 Science from below.
- 1st Chapter– Crop Production and Management
- 2nd Chapter – Microorganisms: Friend and Foe
- 3rd Chapter – Synthetic Fibres and Plastics
- 4th Chapter – Materials: Metals and Non-Metals
- 5th Chapter- Coal and Petroleum
- 6th Chapter– Combustion and Flame
- 7th Chapter – Conservation of Plants and Animals
- 8th Chapter – Cell – Structure and Functions
- 9th Chapter – Reproduction in Animals
- 10th Chapter – Reaching the Age of Adolescence
- 11th Chapter – Force and Pressure
- 12th Chapter – Friction
- 13th Chapter – Sound
- 14th Chapter – Chemical Effects of Electric Current
- 15th Chapter – Some Natural Phenomena
- 16th Chapter – Light
- 17th Chapter – Stars and the Solar System
- 18th Chapter – Pollution of Air and Water
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!
