Скачать или смотреть 6 PM Class 9 NCERT Science - MATTER IN OUR SURROUNDING by Yakshu Ma'am| L5 English Medium

Class 9 CHEMISTRY Chapter 1. MATTER IN OUR SURROUNDINGS Notes in English:

https://drive.google.com/file/d/1D9bN...

0:00:00 Introduction to Lecture 5
0:01:03 Change of States of Matter - Sublimation (naphthalene, Solid to gas, sublimate, camphor, iodine, Ammonium Chloride, Sublimation,
)
0:07:14 Example on Sublimation (ammonium chloride, Sublimation,
)
0:11:56 Dry Ice (what is dry ice?, carbon dioxide, pressure, solid CO2,
)
0:14:41 Difference between Gas and Vapours (gas, vapour, difference between gas and vapours,
)
0:17:52 Example on temperature time graph
0:33:19 Change of States of Matter - Evaporation (Liquid to gas, evaporation, boiling point, vapour, temperature, pressure,)

Topics to be covered :
CHANGE OF STATES OF MATTER || EVAPORATION


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