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Class 9 | Science 1. Introduction to Matter: 2. Characteristics of Particles in Matter: 3. Change of State: 4. Effect of Heat on Matter: 5. Factors Affecting Evaporation: 6. Evaporation Causes Cooling: 7. Sublimation: 8. Diffusion: 9. Brownian Motion: 10. Matter is Composed of Particles:– The particle nature of matter explains various properties and behaviors…
Define system. What is surrounding? How is the system classified based on the nature of boundary? What is adiabatic wall? Define surrounding. What is open system? What is the difference between closed system and isolated system? Coffee kept in an ideal vacuum flask is _______ system. Neither heat nor mass is transferred in ______ system….