CBSE Class 9 Chemistry Revision Notes for Atomic Mass and Molecular Mass
Chemistry is all around us. Chemical reactions are seen in plants and animals which results in the formation of substances and it can be used to treat disease. It is important to know the subject as it endow medicines which are very important in our day to day life. The course content in CBSE class 9 Chemistry, CBSE helps us to understand the properties of different substances and how these substances change.
Let’s involve in the efforts and understand the significance to develop new, eco-friendly materials or modify old ones to meet the changing needs with changes in the lifestyle of people.
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