This article brings you the CBSE Class 9 Science Notes for Chapter 2 - Is Matter Around Us Pure (Part-II). This part is a continuation of CBSE Class 9 Science Notes for chapter 2 - Is Matter Around Us ...
Explanation: A pure substance is one which is made up of only one kind of atoms or molecules. They have the same composition throughout. 2.Rusting of an article made up of iron is called (a) corrosion ...
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