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9th Class Science - Is Matter Around us Pure Two types of the Matter viz, Pure and Impure. A  Pure Substance  consists of a single type of particle, atoms, or molecules. An Impure Substance consists more than one type of particles, atoms or molecules. It is also known as a Mixture. As per  Class 9 Science  syllabus, in this article, we will discuss mixture and types of mixtures. Mixture We will now discuss Mixture and its types. This article helps you in  class 9 science notes  on Mixture. Mixtures are made up of more than one kind of pure form of matter known as a substance. The substance cannot be usually separated into other kinds of matter. Depending upon the nature of the components that form a mixture, we can have different types of mixtures. Solution A solution is a homogeneous mixture of two or more substances. As a solution, there is homogeneity at the particle level, it means that the particles are evenly distributed. A solution is made up of two compon