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?
What is the atomic number of hydrogen?
View QuestionWhat type of energy is stored in a stretched rubber band?
View QuestionWhich disease is caused by the deficiency of vitamin C?
View QuestionWhat is the most common state of matter in the universe?
View QuestionWhat is the primary function of white blood cells?
View QuestionWhich gas is most abundant in Earth’s atmosphere?
View QuestionWhat is the chemical formula of methane?
View QuestionWhat is the main component of the human skeleton?
View QuestionWhat is the unit of electrical resistance?
View QuestionWhat is the primary function of red blood cells (RBCs) in the human body?
View Question