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 particle is responsible for the negative charge of an atom?
View QuestionWhich process describes the splitting of a nucleus into smaller nuclei?
View QuestionWhat is the most abundant gas in the Sun?
View QuestionWhat is the pH of pure water at 25°C?
View QuestionWhat is the largest organ in the human body?
View QuestionWhat is the function of hemoglobin in the blood?
View QuestionWhat is the chemical formula for carbon dioxide?
View QuestionWhat is the main purpose of stomata in plants?
View QuestionWhat is the boiling point of water at standard atmospheric pressure?
View QuestionWhich process in plants is responsible for the loss of water vapor?
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