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CBSE Class 8 Chemistry Notes

  • Last Updated : 10 Jan, 2022

GeeksforGeeks presents CBSE Class 8 Chemistry Notes which are based on the latest syllabus prescribed by the Central Board of Education (CBSE). CBSE recommends NCERT books for studies in all the affiliated schools. Hence, GeeksforGeeks’s Class 8 Chemistry notes are designed and developed per the NCERT textbook of Science for Class 8, in such a way that will help students to study more effectively and understand each concept covered in their Class 8 curriculum. These Chemistry notes will help not even to gain good grades in your academics but also benefits in the preparation of various competitive exams like NTSE and Olympiads. 

By the time students come to Class 8, they already have some understanding of the Basic concept of Science. Hence, the below mentioned Chemistry revision notes for them are built on the concepts they have already learnt in Class 6 and Class 7. Here the important chapters like Metals and Non-Metals, Coal and Petroleum, etc are presented in an easy manner for thorough learning as well as for quick revision.


Chapter 1: Synthetic Fibres and Plastics

The first chapter in the Class 8 Syllabus of Chemistry is Synthetic Fibres and Plastics. This chapter is all about clothes that we wear daily and are made up of fabrics. Also, Synthetic fibres and plastics, are similar to natural fibres which are made up of very large units. Here in this chapter, we have covered from basic introduction to synthetic fibres to their different types and more about Plastics. Following is the list of the articles that contain the help to gain depth about Synthetic Fibres and Plastics as:

Chapter 2: Metals and Non-Metals

Metals and Non-Metals is the second Chapter in the Class 8 curriculum of Chemistry. This chapter gives us knowledge of things around us which are categorized into either metals or non-metals. Metals are the materials that are the good conductors of heat and electricity like Iron etc. However, Non-metals are the material that is the poor conductor of heat and electricity like Carbon, etc. Below are the links to the articles that cover all the basic information about Materials: Metals and Non-Metals:

Chapter 3: Coal and Petroleum

Chapter 3 is one of the most informative chapters in the Class 8 Chemistry curriculum. As in this chapter, we will learn about energy and resources. Fossil Fuels and Coal. Coal and Petroleum are exhaustible or non-renewable resources. The resources are present in limited quantity in nature. The following list of the articles discuss all the basic concepts along with the deeper explanation on each topic discussing some solved sample questions for quick understanding:

Chapter 4: Combustion and Flame

Combustion and Flame is the fourth chapter of Chemistry in the Class 8 Science syllabus. This chapter discusses a most important chemical process called Combustion in which a substance reacts with oxygen to give heat and light. For example when a match stick burns it fires up with a flame and so provides heat also. Flame is the gaseous and visible part of the fire. Now, let’s discuss the topics related to combustion and flame in the below articles:

Chapter 5: Pollution of Air and Water

The Chapter 5 in Class 8 Chemistry is the Pollution of Air and Water. As a result, in this chapter, we’ll look at the negative changes in our environment and how they affect our lives. Natural sources of pollution include smoke and dust from forest fires and volcanic eruptions. Global warming is caused by rising carbon dioxide levels. Below mentioned is the list of the topics that cover all the basic information about Pollution of Air and Water:

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