Subject: General Science
Book: NCERT Chemistry Class 11
Chemistry is the study of matter and its properties.
- **Laws of Chemical Combination**:
- Law of Conservation of Mass.
- Law of Definite Proportions.
- **Mole Concept**:
- 1 mole = 6.022 × 10²³ particles.
- Used for stoichiometric calculations.
- **Atomic and Molecular Mass**:
- Atomic mass: Mass of an atom relative to Carbon-12.
- Molecular mass: Sum of atomic masses in a molecule.
**Possible Exam Questions:**
1. Explain the Law of Conservation of Mass with an example.
2. Define the mole concept and its significance.
3. How is molecular mass calculated?
4. What are the different types of chemical reactions?
5. Discuss Avogadro’s Hypothesis.
Which gas is commonly used in balloons to make them float?
View QuestionWhat is the boiling point of water at standard atmospheric pressure?
View QuestionWhat is the primary function of white blood cells?
View QuestionWhich vitamin is responsible for blood clotting?
View QuestionWhich organ stores and releases glucose in the human body?
View QuestionWhich process in plants is responsible for the loss of water vapor?
View QuestionWhich organ is responsible for filtering blood in the human body?
View QuestionWhich gas is used in the process of welding?
View QuestionWhich element has the highest electrical conductivity?
View QuestionWhich organelle is known as the "powerhouse of the cell"?
View Question