Скачать или смотреть IS MATTER AROUND US PURE? | PART 2 | CLASS 9 | SCIENCE

Hello everyone, welcome to class 9th chemistry series. I have covered this chapter in two parts. in this video, I have taught the second part. This chapter is a significant chapter for exam perspective as well as learning upcoming chapters of chemistry. In this video, I taught you about separating components from the mixture. I have explored many techniques separating the given mixture like evaporation, centrifugation, sublimation, chromatography, distillation, and fraction distillation.
Moreover, I have also covered the separation of different mixtures from the air and how drinkable water arrives at our home. And last I taught you about physical and chemical change and pure substances like elements and compounds. I covered all the important topics asked in the exam. I tried my best to teach the concept mentioned above by heart. I hope you all will love this video and learn a lot.

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Lecture pdf: https://drive.google.com/file/d/1WLeH...
Chapter 1:    • IS MATTER AROUND US PURE? | ONE SHOT | CLA...  
Chapter 2:    • MATTER IN OUR SURROUNDINGS | ONE SHOT | CL...  

topic covered in this video:

separation of different components from the mixture;
different techniques for the separation of the mixture.
what is the evaporation method and where it is used?
what is the centrifugation method and where it is used?
what is the sublimation method and where it is used?
what is the chromatography technique and where it is used?
what is the distillation method and where it is used?
what are the partial distillation method and where it is used?
how mixtures of air is separated?
how drinkable water arrives at our home?
what is the difference between physical and chemical change?
what is the type of pure substance?

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