CBSE Class 12 Chemistry Sample Paper 2025-26 PDF (Code 043) with Marking Scheme
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CBSE Class 12th Exam Date:17 Feb' 26 - 17 Feb' 26
The Central Board of Secondary Education has released the CBSE Class 12 Chemistry sample paper 2025-26 along with the marking scheme. The CBSE Class XII Chemistry (Code-043) sample paper carries 70 marks for theory and 30 marks for practicals, making a total of 100 marks. The theory paper is of 3 hours duration and covers essential topics like Solutions, Electrochemistry, Chemical Kinetics, d- and f-block elements, Coordination Compounds, Haloalkanes, Alcohols, Aldehydes, Amines, and Biomolecules.
Download CBSE 12th Chemistry Sample Paper PDF 2025-26
This Story also Contains
- CBSE Class 12 Chemistry Sample Paper 2025-26: Marking Scheme
- How to Download CBSE 12th Chemistry Sample Paper 2025-26 PDF Online?
- CBSE 12th Chemistry Exam Structure & Marking Scheme (Theory-70 Marks)
- How to Prepare for CBSE 12th Chemistry Paper Using Sample Paper?
- Passing Marks in CBSE 12th Chemistry Paper 2026
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The official CBSE Chemistry 12th SQP and marking scheme is available for download at cbseacademic.nic.in. Students can download the PDF directly from the link provided below as well.
Title | Download Link |
CBSE Class 12 Chemistry Sample Paper With Solution 2025-26 |
CBSE Class 12 Chemistry Sample Paper 2025-26: Marking Scheme
The CBSE Class 12 Chemistry question paper consists of 33 questions divided into five sections (A-E). Each section contains different types of questions with varying marks. The complete distribution of questions and marks is given below:
Section | Type of Questions | No. of Questions | Marks per Question | Total Marks |
A | Multiple Choice Questions (MCQs) | 16 | 1 | 16 |
B | Short Answer Questions (SA I) | 5 | 2 | 10 |
C | Short Answer Questions (SA II) | 7 | 3 | 21 |
D | Case-based Questions | 2 | 4 | 8 |
E | Long Answer Questions | 3 | 5 | 15 |
Total | 33 | 70 |
How to Download CBSE 12th Chemistry Sample Paper 2025-26 PDF Online?
Students can download the CBSE Class 12th Chemistry sample question paper 2025-26 from the official CBSE academic website as well. They can follow the steps given below to download the same online:
Visit the official website: cbseacademic.nic.in.
Go to the ‘Sample Question Papers’ section.
Select the ‘SQP 2025-26-Class XII’.
Click on the Chemistry subject.
Download the latest CBSE 12th Chemistry sample question paper PDF along with the Marking Scheme PDF for practice.
Sample Questions from CBSE Class 12 Chemistry Sample Paper 2025-26
CBSE 12th Chemistry Exam Structure & Marking Scheme (Theory-70 Marks)
The CBSE Class 12 Chemistry theory paper is of 3 hours duration and carries 70 marks. Each unit is given specific weightage. Topics like Electrochemistry, Aldehydes & Ketones, and Solutions carry slightly higher marks, while organic chapters such as Haloalkanes, Alcohols, and Amines carry moderate weightage. Students should focus on high-weightage chapters without neglecting smaller ones, as every mark counts. The table below contains the marking scheme and topics incorporated in the final exam Chemistry CBSE 12th syllabus 2025-26.
S.No. | Unit/Chapter | Marks |
1 | Solutions | 7 |
2 | Electrochemistry | 9 |
3 | Chemical Kinetics | 7 |
4 | d- and f-Block Elements | 7 |
5 | Coordination Compounds | 7 |
6 | Haloalkanes and Haloarenes | 6 |
7 | Alcohols, Phenols and Ethers | 6 |
8 | Aldehydes, Ketones and Carboxylic Acids | 8 |
9 | Amines | 6 |
10 | Biomolecules | 7 |
Total | Theory (3 Hours) | 70 |
How to Prepare for CBSE 12th Chemistry Paper Using Sample Paper?
Understand the CBSE 12th Chemistry paper exam pattern. The sample paper consists of 33 questions divided into 5 sections (MCQs, Short Answer, Case-Based, and Long Answer).
Students must focus on solving CBSE 12th previous years’ papers for Chemistry as well. Practice with old sample papers to identify commonly repeated concepts.
Focusing on high-weightage topics is the key. Prioritise Electrochemistry, Aldehydes & Ketones, and Coordination Compounds.
Students must practice numerical questions from Solutions, Electrochemistry, and Chemical Kinetics.
Time management is quite important. Practice solving the paper within 3 hours.
Do not forget to practice diagrams. It is also important.
CBSE Class 12th Syllabus: Subjects & Chapters
Select your preferred subject to view the chapters
Passing Marks in CBSE 12th Chemistry Paper 2026
CBSE has determined the CBSE 12th passing marks for all subjects. To pass the CBSE Class 12 Chemistry exam, a student must secure:
33% marks in theory (out of 70), which is at least 23 marks.
33% marks in practical (out of 30), which is at least 10 marks.
Overall, students must score a minimum of 33 marks out of 100 to pass the subject.
CBSE 12 Class Free Mock Test
Boost your exam preparation with our CBSE 12 Class Free Mock Test, designed as per the latest exam pattern.
Attempt NowAlso, Check: CBSE 12th Syllabus 2025-26 (All Subjects)
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Questions related to CBSE Class 12th
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Have a question related to CBSE Class 12th ?
Hello,
The date of 12 exam is depends on which board you belongs to . You should check the exact date of your exam by visiting the official website of your respective board.
Hope this information is useful to you.
Hello,
Class 12 biology questions papers 2023-2025 are available on cbseacademic.nic.in , and other educational website. You can download PDFs of questions papers with solution for practice. For state boards, visit the official board site or trusted education portal.
Hope this information is useful to you.
Hello Pruthvi,
Taking a drop year to reappear for the Karnataka Common Entrance Test (KCET) is a well-defined process. As a repeater, you are fully eligible to take the exam again to improve your score and secure a better rank for admissions.
The main procedure involves submitting a new application for the KCET through the official Karnataka Examinations Authority (KEA) website when registrations open for the next academic session. You must pay the required application fee and complete all formalities just like any other candidate. A significant advantage for you is that you do not need to retake your 12th board exams. Your previously secured board marks in the qualifying subjects will be used again. Your new KCET rank will be calculated by combining these existing board marks with your new score from the KCET exam. Therefore, your entire focus during this year should be on preparing thoroughly for the KCET to achieve a higher score.
For more details about the KCET Exam preparation,
CLICK HERE.
I hope this answer helps you. If you have more queries, feel free to share your questions with us, and we will be happy to assist you.
Thank you, and I wish you all the best in your bright future.
Yes, you can switch from Science in Karnataka State Board to Commerce in CBSE for 12th. You will need a Transfer Certificate from your current school and meet the CBSE school’s admission requirements. Since you haven’t studied Commerce subjects like Accountancy, Economics, and Business Studies, you may need to catch up before or during 12th. Not all CBSE schools accept direct admission to 12th from another board, so some may ask you to join Class 11 first. Make sure to check the school’s rules and plan your subject preparation.
Hello
For the 12th CBSE Hindi Medium board exam, important questions usually come from core chapters like “Madhushala”, “Jhansi ki Rani”, and “Bharat ki Khoj”.
Questions often include essay writing, letter writing, and comprehension passages. Grammar topics like Tenses, Voice Change, and Direct-Indirect Speech are frequently asked.
Students should practice poetry questions on themes and meanings. Important questions also cover summary writing and translation from Hindi to English or vice versa.
Previous years’ question papers help identify commonly asked questions.
Focus on writing practice to improve handwriting and presentation. Time management during exams is key to answering all questions effectively.
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