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Class 11 Chemistry
Some Basic Concepts of Chemistry
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  • 1. Introduction
  • 2. Matter
  • 3. Pure Substances
  • 4. Properties of Matter
  • 5. Properties of Matter
  • 6. The International System of Units (SI)
  • 7. Mass & Weight
  • 8. Volume
  • 9. Density & Temperature
  • 10. Reference Standard
  • 11. Uncertainty in measurement
  • 12. Significant figures
  • 13. Dimensional Analysis
  • 14. Law of chemical combination
  • 15. Dalton's Atomic Theory
  • 16. Molecular Mass
  • 17. Mole Concept and Molar Masses
  • 18. Percentage Composition
  • 19. Empirical Formula for Molecular formula
  • 20. Stoichiometry
  • 21. Limiting Reagent
  • 22. Reactions in Solution

Role of chemistry in different spheres of life

What is Chemistry?

  • Chemistry is the science of atoms, molecules and their transformations.
  • It can also be defined as that branch of science that deals with the study of the composition, properties and interaction of matter.
  • Knowledge of chemistry helps us to know:-
  1. The properties of different substances like diamond, coal, plastics etc.
  2. In preparation of soaps like liquid or powder.
  3. The fabrics, plastic toys, paper, pencil, eraser, sugar cubes, petrol or diesel etc.
  4. In the manufacture of different types of fertilizers, pesticides and medicines.
  5. Answers to questions regarding how many atoms or molecules are there in a given mass of matter.

Class_11_Concepts_Of_Chemistry_Role_Of_Chemistry

Chemistry helps us to answer the following questions:-

  • To count the number of atoms and molecules in a given mass of matter?
  • How to see the atoms and molecules?

Advantages of studying chemistry

  1. With a better understanding of chemical principles it has now become possible to design and synthesise new materials having specific magnetic, electric and optical properties.
  2. Safer alternatives to environmentally hazardous refrigerants like CFCs (chlorofluorocarbons), responsible for ozone depletion in the stratosphere, have been successfully synthesised.

Problems which can be tackled with the study of chemistry:-

  1. Management of Green House gases like methane, carbon dioxide etc.
  2. Understanding of bio-chemical processes, use of enzymes for large-scale production of chemicals and synthesis of new exotic materials are some of the intellectual challenges for the future generation of chemists.
  3. Understanding of bio-chemical processes, use of enzymes for large-scale production of chemicals.
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Class 11 Chemistry Some Basic Concepts of Chemistry NCERT Chapter 1 Free Notes for Best Revision

Revision of Class 11 Chemistry Some Basic Concepts of Chemistry is a crucial aspect of effective learning. Revision plays a vital role in the learning process and is especially important before exams. Here are some key points you can consider emphasizing in your content:

  1. Retention and Memory: Regularly reviewing and revisiting the material of Class 11 Chemistry Some Basic Concepts of Chemistry helps reinforce the concepts in students' minds. It strengthens memory pathways, making it easier to recall information during exams and beyond.
  2. Consolidation of Knowledge: When you revise notes, you are essentially consolidating your knowledge. This means connecting new information with what you already know, making the overall understanding more robust.
  3. Identifying Knowledge Gaps: Revision allows students to identify any gaps in their understanding or areas where they need further clarification. This gives you a chance to seek help or delve deeper into those topics. For detailed understanding, you can always refer to the videos of Some Basic Concepts of Chemistry Class 11 Chemistry NCERT Chapter 1 on LearnoHub.com
  4. Building Confidence: As you revise Some Basic Concepts of Chemistry Class 11 Chemistry and become more familiar with the content, your confidence in your abilities grows. Confidence is a crucial factor in exam performance as it reduces anxiety and allows you to approach exams with a positive mindset.
  5. Different Revision Techniques: Use a variety of revision techniques such as summarizing notes, creating flashcards, practicing past papers, discussing concepts with peers, and teaching others. Different techniques work for different students, and it's essential to find what suits you the best. You can also attend the LIVE Revision classes on LearnoHub.com or watch the LIVE Revision Race videos of LearnoHub on Some Basic Concepts of Chemistry Class 11 Chemistry NCERT Chapter 1.
  6. Spacing Effect: Spacing out revision sessions over time, rather than cramming all at once, has been shown to improve long-term retention. Create a revision schedule leading up to the exams to allow for spaced practice.
  7. Regular Revision over Cramming: Regular and consistent revision throughout the academic year is very important. Waiting until the last moment to cram everything can be overwhelming and less effective than spaced-out revision.
  8. Self-Assessment: Assess your understanding periodically through quizzes or self-tests. This helps you to gauge your progress and identify areas that need further attention. Refer Class 11 Some Basic Concepts of Chemistry Online Tests.
  9. Balanced Approach: Remind students to strike a balance between revision and other activities. Adequate rest, exercise, and relaxation are essential for optimal learning and performance.
  10. Seeking Help: If you face difficulties during the revision process, Refer the videos of Class 11 Chemistry Some Basic Concepts of Chemistry. Clearing doubts promptly is crucial for a better grasp of the subject matter. You can always ask your doubts on Some Basic Concepts of Chemistry Class 11 Chemistry NCERT Chapter 1. “Ask a Question” section of LearnoHub.com

By highlighting the benefits and strategies of effective revision, you can approach your studies more mindfully and achieve better results in your exams. Best of luck bachhon!

Class 11 Chemistry seems to be a quite difficult subject for a lot of students. But, if you get a very good conceptual understanding of the subject, it can be very interesting for you.

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Always remember, it is very important to study with full concentration during Revision. Here are a few tips for you on how to revise with full focus:

  1. Create a Distraction-Free Environment: Find a quiet and comfortable place to study where you can minimize distractions. Turn off or silence your phone, log out of social media accounts, and inform others around you that you need uninterrupted study time. A dedicated study environment will help you focus better.
  2. Set Specific Goals: Before starting your study session, set clear and achievable goals. Break down your study material into smaller tasks, and plan what you want to accomplish during each session. Having specific goals will give you a sense of direction and purpose, making it easier to concentrate.
  3. Use the Pomodoro Technique: The Pomodoro Technique is a time management method that involves studying in short, focused intervals, typically 25 minutes, followed by a short break of 5 minutes. After completing four sessions, take a longer break of around 15-30 minutes. This technique can improve focus and productivity by providing regular breaks to recharge.
  4. Stay Organized: Keep your study materials, notes, and resources well-organized. Having everything you need at hand will save time and reduce distractions caused by searching for materials. Use color-coded folders or digital tools to maintain a structured study system.
  5. Practice Mindfulness and Meditation: Before you begin studying, take a few minutes to practice mindfulness or meditation. Deep breathing exercises and clearing your mind of distractions can help you approach your study session with a calm and focused mindset.

Remember, studying with full concentration is a skill that takes time and practice to develop. If you find your mind wandering during study sessions, gently bring your focus back to the task at hand and be patient with yourself. With consistent effort, you can improve your ability to concentrate and make the most of your study time.

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