The Bihar School Examination Board (BSEB) has released the Bihar 12th Chemistry syllabus PDF on its official website, biharboardonline.com. The updated BSEB 12th Chemistry syllabus 2025-26 is to be studied by students who are going to appear for the Bihar 12th exams 2026 (Science stream). According to the latest BSEB 12th exam pattern of Chemistry, the theory paper will consist of 70 marks, while the practicals/IA will carry 30 marks. The duration of the Chemistry board exam will be 3 hours. In this article, students can find the direct download link to the BSEB 12th Chemistry syllabus 2025-26 PDF, marking scheme and other relevant details.
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Bihar Board Class 12th Chemistry Syllabus PDF 2025-26 | PDF Download Link (Includes all other subjects as well) |
There are a total of 17 units in the Bihar Class 12 Chemistry syllabus 2025-26. It covers topics such as Electrochemistry, Chemical Kinetics, Coordination Compounds, Biomolecules, etc. The complete list of topics is mentioned in the table below.
S.No | Unit Name |
1. | The Solid State |
2. | Solutions |
3. | Electrochemistry |
4. | Chemical Kinetics |
5. | Surface Chemistry |
6. | General Principles and Processes of Isolation of Elements |
7. | Group I and II Elements |
8. | The p-Block Elements |
9. | The d-and f-Block Elements |
10. | Coordination Compounds |
11. | Haloalkanes and Haloarenes |
12. | Alcohols, Phenols and Ethers |
13. | Aldehydes, Ketones and Carboxylic Acids |
14. | Amines |
15. | Biomolecules |
16. | Polymers |
17. | Chemistry in Everyday Life |
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The practical syllabus for Bihar Board Class 12th Chemistry focuses on hands-on experiments, qualitative and quantitative analysis, and project work. The practical exam carries significant weightage (30 marks), so mastering these experiments is essential for scoring well. Check the image below to know the topics that are a part of the Class 12 Chemistry practical syllabus BSEB.

Students can go through the following table to understand the exam paper pattern and marking scheme for the BSEB Class 12th Chemistry subject:
Type of Question | Total Questions | Questions to Answer | Marks per Question |
MCQs | 42 | 35 | 1 mark each |
Short Answer | 18 | 10 | 2 marks each |
Long Answer | 6 | 3 | 5 marks each |
Frequently Asked Questions (FAQs)
Students can download the latest BSEB 12th syllabus 2025-26 directly from the official website, biharboardonline.com. A direct download link has also been provided in this article above.
The theory paper includes 35 MCQs (1 mark each), 10 short answer questions (2 marks each), and 3 long answer questions (5 marks each).
There will be 17 units in the BSEB Class 12th Chemistry theory paper. Some of the major topics include Electrochemistry, Surface Chemistry, Coordination Compounds, Biomolecules, Polymers, and Chemistry in Everyday Life.
On Question asked by student community
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The Bihar Board (BSEB) Class 11 half-yearly (timahi/ardhvarshik) examinations typically take place in December (with quarterly tests around July)
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Hello,
The Bihar Board Class 12 Chemistry syllabus and PDF for the current academic year can be downloaded from the official Bihar School Examination Board (BSEB) website. You can also access chapter-wise study material and previous years' question papers through the official BSEB portal.
If you are preparing for the
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You can download the Bihar Board Class 12 Physics Question Paper along with the answer key, previous year papers, model papers, exam pattern, and preparation tips from Careers360.
Useful Resources:
Bihar Board Class 12 Physics Question Paper 2026 (PDF)
Bihar Board Class 12 Physics Question Paper 2025 PDF
These
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https://school.careers360.com/download/sample-papers/bihar-board-class-12-sanskrit-model-paper-2025-26
https://school.careers360.com/boards/bseb/bihar-board-class-12-previous-years-question-papers-pdf-download
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Check the link above to download the Bihar Board Class 12 Biology syllabus 2026 in PDF format, including unit-wise topics, marks distribution, and practical experiments.
https://school.careers360.com/boards/bseb/bihar-board-class-12-biology-syllabus-download-pdf
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