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Is Matter Around Us Pure Chapter 2 CBSE Notes Class 9 DailyHomeStudy
We have studied the physical nature of matter in previous chapter. Now in this chapter, we will study and know about the chemical nature of matter. • Classification of Matter on the Basis of Chemical Composition A complete classification of matter into fundamental groups is a difficult task. On the basis of chemical composition, the-matter exists either as a single substance or, as a mixture containing two or more substances. • A sample of matter containing only one substance is called a pure substance. A sample of matter containing two or more substances is called a mixture. What is a substance? A substance may be defined as follows: A kind…
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The Matter in Our Surrounding CBSE Notes Class 9 DailyHomeStudy
DailyHomeStudy: The Matter in Our Surroundings CBSE Notes Class 9 is given with detail explanation. The question answer are also given with detailed explanation. We have also given the MCQs and Sample Paper for help in studies of Class 9 Science. Look around! You see so many things —living and non-living. These things differ a lot in their properties, such as, colour, shape, size, smell, etc. How are so many different things produced? Before answering this question, we would like to see if these things have anything in common! When we observe these objects closely, we see that in spite of differences in their properties, all these objects have mass, occupy…