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Measuring Oxygen in the air?

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CLASS 6_ MATTER

STATES OF MATTER https://www.youtube.com/watch?v=21CR01rlmv4 Inter conversion of States of matter https://www.youtube.com/watch?v=xYU7RSoOZ0U These are links to simulations on Matter https://phet.colorado.edu/en/simulation/states-of-matter https://phet.colorado.edu/en/simulation/states-of-matter-basics

WATER_ CLASS 9

WATER Saturated, Unsaturated and Supersaturated Solution On the basis of solubility solutions are classified into three types: A solution that cannot dissolve anymore of the solute at a given temperature is called a saturated solution. A solution in which more solute can be dissolved is called an unsaturated solution. A solution in which more solute is present at a given temperature than in a saturated solution is called a supersaturated solution. E.g. The maximum amount of NaCl which can be dissolved in100g of water at 25 is 36g. So if a solution contains 36g of NaCl dissolved in 100g water then it is a saturated solution. If 10g NaCl is dissolved in 100g of water at 25 , it is an unsaturated solution. Now if we have a NaCl solution in which 50g of NaCl is dissolved in 100g of water at 25 then it is supersaturated solution. Solution: A solution is a homogeneous mixture of two or more components. The two components of the solution are called solvent and

CLASS 6 _ INTRODUCTION To CHEMISTRY

Introduction to Chemistry Video: https://www.khanacademy.org/science/chemistry/atomic-structure-and-properties/introduction-to-the-atom/v/introduction-to-chemistry Documentary: 1. MYSTERY OF MATTER https://www.youtube.com/watch?v=z3Gt5IOjAuc&list=PLaLOVNqqD-2FZMjQfGiFGlFWZEhN_qRJK https://www.youtube.com/watch?v=wbuDmY5gpXQ&list=PLaLOVNqqD-2FZMjQfGiFGlFWZEhN_qRJK&index=2 https://www.youtube.com/watch?v=GWQZE0HPoAY&list=PLaLOVNqqD-2FZMjQfGiFGlFWZEhN_qRJK&index=3 2 . INDIA 'S ANCIENT SCIENC E https://www.youtube.com/watch?v=_fEBWkowuDI 3. Documentary on Acharya Prafulla Chandra Roy https://www.youtube.com/watch?v=d3v-8Ga8LkA https://www.youtube.com/watch?v=pKyPrfio59o 4. Map of Chemistry 5. Alchemy 1. Chemistry and its Importance. Chemistry is that branch of science that deals the study of substances and materials. Chemistry plays a crucial role in many areas. It is through chemical means that some products are synthesised

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