CBSE Class 12 Chemistry Most Repeated Board Questions: Chemistry is one of the most important subjects for Class 12 science stream students. Many students find Chemistry challenging because it involves reactions, equations, and problem-solving skills. One of the smartest ways to prepare for the exam is by practising the most repeated questions from the CBSE Class 12 Chemistry Previous Years Papers. These questions give a clear idea of the exam pattern, the types of questions asked, and the topics with higher weightage. By focusing on these Class 12 Chemistry Chapter-wise Board Questions, students can improve their speed, accuracy, and time management. It also helps them revise more effectively, build confidence, and reduce exam stress. This approach makes preparation more targeted and increases the chances of scoring higher marks in Chemistry. To help students prepare better, we have compiled a chapter-wise list of the Class 12 Chemistry Most Repeated Questions with solutions.
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CBSE Class 12 Chemistry Sample Paper 2025-26 With Marking Scheme, Download PDF & Know How to Use It
CBSE Class 12 Preparation Strategy: Check Subject-wise Expert Tips to Score High in Board Exams
Importance of Practising CBSE Class 12 Chemistry Most Repeated Questions
Chemistry is a major scoring subject in the CBSE Class 12 Board Exam, but many students find it challenging because of its reactions and formulas. One of the smartest ways to prepare effectively is by practising the Class 12 Chemistry Most Repeated Questions from previous years. These questions give a clear idea of the exam pattern, highlight important topics, and help students study more efficiently. Focusing on frequently asked questions also boosts confidence, reduces stress, and improves time management during the exam.
- Identifies high-weightage chapters and concepts asked frequently in exams.
- Helps students know the types of questions and the marking scheme.
- Regular practice enhances problem-solving skills and calculation speed.
- Familiarity with commonly asked questions makes students feel more prepared.
- Teaches how to allocate time wisely to different sections during the exam.
- Practising repeated questions reduces anxiety and builds confidence.
- Enhances problem-solving skills through consistent practice.
- Supports smart and targeted preparation instead of random studying.
CBSE Class 12 Chemistry Chapter-wise Most Repeated Board Questions
Preparing for the CBSE Class 12 Chemistry Board Exam becomes easier when you know which questions are asked most often. CBSE Class 12 Chemistry chapter-wise most repeated questions help students focus on important topics and revise smartly. By practising these important questions, students can improve speed, accuracy, and confidence. This list of Class 12 Chemistry chapter-wise most repeated board questions is designed to make your preparation more focused and effective.
| Unit Name | Download here |
| Solutions | Click here |
| Electrochemistry | Click here |
| Chemical Kinetics | Click here |
| d and f -Block Elements | Click here |
| Coordination Compounds | Click here |
| Haloalkanes and Haloarenes | Click here |
| Alcohols, Phenols and Ethers | Click here |
| Aldehydes, Ketones and Carboxylic Acids | Click here |
| Amines | Click here |
| Biomolecules | Click here |
CBSE Class 12 Chemistry Syllabus 2025-26
The Central Board of Secondary Education (CBSE) has released the Chemistry Syllabus for Class 12 Science streams for the 2025-26 academic year. This Chemistry Syllabus outlines the course structure, chapters, and topics that students will need to study in the subject. The CBSE Class 12 Chemistry syllabus covers a wide range of topics, including Electrostatics, Current Electricity, Magnetic Effects of Current and Magnetism, Electromagnetic Induction and Alternating Currents, Electromagnetic Waves, Optics, Dual Nature of Radiation and Matter, Atoms and Nuclei, and Electronic Devices. It is divided into units with specific weightage, helping students plan their preparation effectively. The unit-wise chapters and weightage are provided below:
| Unit Name | Marks |
| Solutions | 7 |
| Electrochemistry | 9 |
| Chemical Kinetics | 7 |
| d and f -Block Elements | 7 |
| Coordination Compounds | 7 |
| Haloalkanes and Haloarenes | 6 |
| Alcohols, Phenols and Ethers | 6 |
| Aldehydes, Ketones and Carboxylic Acids | 8 |
| Amines | 6 |
| Biomolecules | 7 |
| Total | 70 |
Check the latest and detailed CBSE Class 12 Chemistry Syllabus 2025-26; Check Latest Unit-wise Weightage, Download PDF
CBSE Class 12 Chemistry Exam Pattern 2025-26
CBSE has released the exam pattern and marking scheme for the 2025-26 academic year. Based on the official question paper design shared along with the syllabus, the board will follow the same exam pattern and marking scheme as in 2024-25. The CBSE Class 12 Chemistry board exam for 2025-26 will consist of a theory paper of 70 marks, and 30 marks are assigned to the practical exam. The question paper was divided into five different sections:
| Section | Question Type | Number of Questions | Marks |
| A | Multiple Choice Questions & Assertion and Reason Questions (1 mark) | 16 | 16 |
| B | Very Short Answer (2 mark) | 5 | 10 |
| C | Short Answer (3 marks) | 7 | 21 |
| D | Case Study-Based Questions (4 marks) | 2 | 8 |
| E | Long Answer (5 marks) | 3 | 15 |
| Total | 33 | 80 | |
Check the latest and detailed CBSE Class 12th Chemistry Exam Pattern 2025-26 with Marking Scheme.