Students will learn how to categorize matter as either pure substances or mixtures. Students will apply tests, based on physical properties of matter samples, to determine whether a mixture is ...

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 ...

Check important extra questions from CBSE Class 9 Science Chapter 2 - Is Matter Around Us Pure (with Answers). These Class 9th NCERT textbook based questions are very simple and can easily be ...

Colloids are defined as any particle that is between 1 nanometer and 1 micrometer in diameter and can consist of mineral material and clays, microbes, and decayed plant matter. Due to their small size ...

A colloidal solution is a uniform dispersion of two different types of components—particles or droplets of one phase, the solute, in a second (typically liquid) phase, the solvent. Milk, a colloid of ...

Polymer–colloid composites represent an attractive class of hybrid materials in which one can tailor their properties by exploiting the individual and collective properties of both components 1,2,3,4.