Updated On : September 14, 2023
Reader's Digest: Is achieving 90 marks in Chemistry possible? Yes, it is now! Read this blog to know how to score 90 in Chemistry class 12 CBSE in both theory & practical.
Chemistry, often described as the central science, is pivotal in bridging the gap between Physics and Biology. Yet, for many class 12 students, it can be a subject that evokes a mix of liking and disliking.
The good news, however, is that scoring 90+ in CBSE Class 12 Chemistry is not an unattainable dream. It's a goal well within reach, provided you have the right resources, a solid conceptual foundation, and an unwavering commitment to consistent practice.
By prioritizing key chapters and understanding their weightage, success becomes attainable. Furthermore, excelling in both theory and practical exams necessitates rote learning, a deep comprehension of concepts and consistent practice.
Here's a glimpse of what lies ahead in this blog:
Attempting the CBSE 12th Chemistry Board Question Paper 2024 to achieve a perfect score requires time management, strategy, and knowledge. Here’s a strategy you can adopt:
Read the Entire Paper First (5 minutes)
Start with MCQs (25 minutes)
Move to 2 Marks Questions (40 minutes)
Attempt 3 Marks Questions (60 minutes)
4 Marks Questions (50 minutes)
5 Marks Questions (45 minutes)
Revisit Skipped Questions (10 minutes)
Review Your Answers (20 minutes)
Explore Further: CBSE Syllabus for Class 12 Chemistry
Achieving a 90+ score in Chemistry in CBSE Class 12 is a commendable goal, and it is more than attainable with the right strategies and dedication. Here's a detailed approach for both theory and practical exams:
Structured Study Schedule:
Break Down Topics:
Read More - How to Score 100 in Biology Class 12 CBSE
Active Study Techniques:
Choose the Right Books:
Here's a list of some top reference books:
|S.No.||Names of Reference Books for CBSE Class 12 Chemistry||Author|
|1||S.C. Kheterpal, S.N. Dhawan, P.N. Kapil||J. D. Lee|
|2||Modern's ABC of Chemistry Class - 12 (Part 1 & 2)||S. P. Jauhar|
|3||Modern Approach to Chemical Calculations||R.C. Mukherjee|
|5||Pradeep’s New Course Chemistry for Class XII (Vol I and II)||S.C. Kheterpal, S.N. Dhawan, P.N. Kapil|
|6||CBSE Chapterwise Solutions - Chemistry (Class 12): A Collection of Fully Solved Questions||Purnima Sharma|
Practice Numerical Problems:
Click & Explore: CBSE Class 12 Chemistry Reference Books
Scoring well in the CBSE Class 12 Chemistry practical exam requires careful preparation, attention to detail, and adherence to specific guidelines. Here's a table of do's and don'ts to help you achieve this goal:
|1. Plan and Prepare in Advance: Start your practical preparation well ahead of time to avoid last-minute rush.||1. Procrastinate: Avoid leaving practical preparation until the last moment.|
|2. Understand the Experiments: Fully comprehend the theory and objectives behind each experiment in your syllabus.||2. Cram Without Understanding: Don't memorize the procedure without understanding the underlying concepts.|
|3. Organize Your Lab Notes: Keep your lab notes neat, well-organized, and up-to-date throughout the year.||3. Rush Through Note-Taking: Don't be hasty while recording observations or measurements.|
|4. Practice Regularly: Practice each experiment multiple times to improve your technique and accuracy.||4. Skip Practice: Don't skip practising experiments, assuming you know them well.|
|5. Safety First: Follow all safety precautions and guidelines while conducting experiments. Use safety equipment like goggles and lab coats.||5. Compromise on Safety: Never overlook safety measures; protecting yourself and others is crucial.|
|6. Clean Equipment: Ensure all glassware and equipment are clean and contaminant-free before starting an experiment.||6. Use Dirty or Contaminated Equipment: Don't use dirty or contaminated equipment, as it can affect results.|
|7. Measure Accurately: Pay careful attention to measurements, use the correct units, and record data accurately.||7. Guess Measurements: Avoid making guesses; measure precisely and record your observations.|
|8. Practice Volumetric Analysis: For titration experiments, practice the technique to achieve precise and consistent results.||8. Rush Through Titration: Don't rush through titration experiments; be patient and accurate.|
|9. Prepare Observation Tables: Organize your observations systematically in well-structured tables with headings and units.||9. Neglect Organizing Data: Don't haphazardly jot down observations; use tables and proper formatting.|
|10. Understand the Calculations: If calculations are involved, understand the formulas and principles behind them.||10. Use Incorrect Formulas: Avoid using incorrect formulas or making calculation errors. Double-check your math.|
|11. Practice the Viva Voce: Be prepared for viva voce questions related to your experiments.||11. Be Unprepared for Viva: Don't skip practising viva voce; it's an integral part of the practical exam.|
|12. Revise Lab Record: Review your lab record and notes before the practical exam to refresh your memory.||12. Show Up Unprepared: Don't go to the practical exam without revising your lab record and notes.|
|13. Stay Calm and Confident: Maintain composure during the exam and answer questions confidently.||13. Panic or Nervousness: Avoid panicking or getting nervous during the practical exam; it can affect your performance.|
|14. Follow Instructions: Adhere to the instructions provided by your examiner and perform each step as directed.||14. Deviate from Procedures: Don't deviate from the experiment procedure unless explicitly allowed.|
|15. Submit a Neat Lab Record: Ensure your lab record is neat, organized, and properly signed by your teacher.||15. Submit an Incomplete or Messy Lab Record: Don't submit an incomplete or difficult-to-read lab record.|
To score 90 in the CBSE Class 12 Chemistry exam, it's essential to prioritize chapters based on their weightage and focus on key topics within those chapters.
Here's a table that outlines which chapters to focus more on, their weightage in marks, and the topics to study within each chapter:
|Chapter||Weightage (Marks)||Key Topics to Study|
|Electrochemistry||9||- Electrochemical cells and their types|
|- Nernst equation and its applications|
|- Electrode potential and cell potential|
|- Conductance and its measurement|
|Haloalkanes and Haloarenes||6||- Nomenclature and isomerism|
|- Preparation methods of halogen derivatives|
|- Chemical reactions of haloalkanes and haloarenes|
|Alcohols, Phenols and Ethers||6||- Preparation and properties of alcohols and phenols|
|- Chemical reactions of alcohols, phenols, and ethers|
|Biomolecules||7||- Carbohydrates, proteins, and nucleic acids|
|- Structure and function of biomolecules|
|Chemical Kinetics||7||- Rate of chemical reactions|
|- Factors affecting the rate and order of reactions|
|d-and f-Block Elements||7||- Properties and electronic configuration|
|- Transition metals and their compounds|
|Coordination Compounds||7||- Werner's theory and coordination number|
|- Isomerism in coordination compounds|
|Aldehydes, Ketones and Carboxylic Acids||8||- Nomenclature and preparation methods|
|- Reactions of aldehydes, ketones, and carboxylic acids|
|Amines||6||- Classification and preparation methods|
|- Chemical reactions of amines|
Based on the weightage of marks, it's clear that you should prioritize the following chapters and give them extra attention during your preparation:
Get Started: How to Score 100 in Chemistry Class 12 CBSE
In conclusion, scoring 90+ in Chemistry Class 12 CBSE requires a blend of consistent theory revision and practical hands-on experience. It's about the depth of understanding, the accuracy of experimentation, and the confidence you exude on paper and in the lab.
Here are the key takeaways from this blog:
Frequently Asked Questions
How can I manage my time effectively during the Chemistry Class 12 CBSE theory exam?
What is the significance of practicing numerical problems in Chemistry Class 12 CBSE?
How important is understanding concepts compared to rote learning in Chemistry?
Can you recommend some reference books for in-depth preparation in Chemistry Class 12 CBSE?
How can I ensure success in the practical exam for Chemistry Class 12 CBSE?
What are the key chapters and topics I should focus on to maximize my score in Chemistry?
How should I tackle the multiple-choice questions (MCQs) in the Chemistry paper?
What should be my first step when attempting the Chemistry Class 12 CBSE question paper?