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CBSE Class 12 Chemistry Sample Paper 2025-26 PDF (Code 043) with Marking Scheme
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
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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.
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Frequently Asked Questions (FAQs)
Q: Is the NCERT book and questions enough for the Class 12 Chemistry board exams?
A:
Yes, NCERT textbooks form the core material for CBSE Class 12 board exam preparation, and most questions are directly or indirectly based on it. However, solving sample papers and previous year papers is strongly recommended to build speed and exam confidence.
Q: How many questions are there in the Chemistry sample paper?
A:
The CBSE Class 12 Chemistry sample paper consists of 33 questions in total with internal choices. These questions are spread across five sections: MCQs, short answers, case-based, and long answers.
Q: What is the total mark distribution for the CBSE Class 12 Chemistry paper?
A:
The subject carries a total of 100 marks, which is divided into 70 marks for theory and 30 marks for practicals.
Q: Where can I download the official Class 12 Chemistry sample paper PDF 2025-26?
A:
The CBSE Class 12 2025-26 sample paper PDF Chemistry is available on the website, cbseacademic.nic.in. Alternatively, click on the link provided in the article above to download it directly.
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Questions related to CBSE Class 12th
On Question asked by student community
Have a question related to CBSE Class 12th ?
Hello Gilla
You can download the question paper from the link given below:
https://school.careers360.com/boards/cbse/cbse-previous-year-question-papers-class-10-maths
Hope it helps.
Hello Student,
Check the article given below to access and download the CBSE question paper for classes 10 and 12.
Link:
https://school.careers360.com/boards/cbse/cbse-previous-year-question-papers
Dear Student,
You can appear for improvement exams in other passed subjects after clearning compartment exams. The Central Board of Secondary Education (CBSE) conducts the CBSE Class 12 improvement exams for students who are not satisfied with their scores in the Class 10 and Class 12 board examinations.
You can
Hi Madhuri,
For CBSE Class 12 Maths preparation, especially if your basics are weak, please refer to the link given below:
https://school.careers360.com/boards/cbse/cbse-class-12-maths-preparation-tips
Hi Jatin!
Given below is the link to access CBSE Class 12 English Previous Year Questions:
https://school.careers360.com/download/ebooks/cbse-class-12-english-previous-year-question-papers
For subjectwise previous year question papers, you might find this link useful:
https://school.careers360.com/boards/cbse/cbse-previous-year-question-papers-class-12
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