NCERT||CLASS 9||SCIENCE||CHAPTER 2|| IS MATTER AROUND US PURE||PART 4 VIDEO LECTURE

NCERT//CLASS 9//SCIENCE//CHAPTER 2//IS MATTER AROUND US PURE//VIDEO LECTURE PART 4. .................................. TOPICS :- METHOD OF SEPRATION 1. HANDPICKING 2. SIEVING 3.WINNOWING 4. CRYSTALLISATION ................................. ........................ HANDPICKING ......................... *The components of a solid-solid mixture can be separated by handpicking. *This is only useful when the particles are large enough to be seen clearly. *It is the most commonly used method of separation. *For example:- seperating pebbles from rice & Dallas. ----------------------------------------------------- .............................. CRYSTALLISATION ............................... **Crystallization is a technique used for the purification of substances.  **Crystallisation is a separation technique that is used to separate a solid that has dissolved in a liquid. #is_matter_around_us_pure_class_9 #method_of_separation_of_mixture #crystallization_method #crystallization_method_of_purification #crystallization_method_of_separation