9th Class Science Ch-2 Is Matter around us Pure? In this article, we will discuss ‘Is matter around us pure?’ from 9th Class Science . We all know that all the matter around us is not pure. There are two types of Matter – pure substances and mixtures. We will discuss both in detail. Impure substances: Mixtures A mixture is one which contains two or more different kinds of particles. The Mixture contains two or more pure substances and mixed together. All the mixtures are impure substances. E.g.: – Salt solution, milk, sea water, biogas, tea, coffee. A mixture can be homogeneous and heterogeneous. It can be separated into other kinds of matter by a physical process. It does not have a fixed composition or fixed melting or boiling point. Most of the matter around us exists as mixtures of two or more pure substances. From the above discussion, we can conclude all the matter can be divided into three classes: Elements, compounds, and mixtures. Pure Substances: Element
Takshila Learning has a great faculty and they have their own unique style of teaching and communicating ideas which enables the students to handle any situation with ease and come out with flying colors. By adding this online medium for teaching various courses, they have not only widened our options but have made it