This book is genuinely written for grasping the fundamental concept of states of matter and pure and impure matter. It is aimed to the secondary level students. It can serve as a reference for a particular topic. It is also useful for various competitions. In this book examples are taken from our day to day life and a realistic approach is followed.A special emphasis is given on how separate the constituent of a mixer using different technique. And its implication in daily life, such as separating cream from milk, colors from ink, and how this technique is used in washing machine?