Subject: General Science
Book: NCERT Science Class 9
Everything around us is made of matter.
- **States of Matter**:
- Solid, Liquid, Gas.
- **Properties of Matter**:
- Can change state with temperature and pressure.
- **Processes**:
- Evaporation: Liquid to gas.
- Condensation: Gas to liquid.
- Sublimation: Solid to gas without turning into liquid.
**Possible Exam Questions:**
1. Define matter and its states.
2. What are the factors affecting evaporation?
3. Explain the concept of sublimation with examples.
4. How do temperature and pressure affect the state of matter?
5. Why do gases have neither fixed shape nor fixed volume?
Which part of the cell is responsible for energy production?
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View QuestionWhich of the following is a fundamental force in nature?
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View QuestionWhat is the main component of natural gas?
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View QuestionWhich planet has the strongest gravitational force?
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