Matter In Our Surroundings Class 9 Science Chapter 1 NCERT | Class 9 chapter 1 science

Matter In Our Surroundings Class 9 Science Chapter 1 Chemistry NCERT.

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About this video-
In this video we will discuss about the Chapter 1 which is "Matter In Our Surrounding" (Chemistry, Science) Part 1.
In this Part1 the explanation of NCERT include From page 6 to 10.

TOPICS INCLUDES-
1. How matter change it's state?
2. Melting point.
3. When a solid melts, its temperature remains the same , so where does the heat energy go?
4. Latent heat of fusion ?
5. Boiling point.
6. Latent heat of vaporisation.
7. Who produce more sever burns steam or boiling water ?
8. Effect of pressure on the interconversion of matter .
9. Evaporation.
10. Factors affecting evaporation.
11. Vaporisation.
12. How does evaporation cause cooling?
13. Why should we wear cotton clothes in summer?

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