On February 28, 2026, the CBSE Class 12 Chemistry board exam 2026 will be conducted from 10:30 am to 1:30 pm. After the exam concludes, several renowned online portals and subject experts will publish the unofficial CBSE 12th Chemistry answer key 2026 PDF with detailed solutions and paper analysis. Students can use the unofficial CBSE Class 12 Chemistry answer key 2026 to match their responses and get an initial estimate of their performance.
The CBSE board will conduct the Class 12th Chemistry exam today, February 28, from 10:30 am to 1:30 pm.
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Students need 23 marks out of 70 to pass the CBSE 12th Chemistry theory paper. Since the Central Board of Secondary Education does not publish an official CBSE 12th answer key for the Class 12 Chemistry subject, students will have to depend on unofficial solved papers. Students must note that actual scores can only be determined after the official CBSE 2026 results are out. The unofficial answer keys are just for reference purposes.
The CBSE 12th Chemistry answer key PDF 2026 will be available set-wise for all question paper codes. Students can download the solved paper and answer key from the table below once released by credible sources.
Particulars | Download Link |
|---|---|
CBSE 12th Chemistry Answer Key 2026 Set 1 PDF | To be provided |
CBSE 12th Chemistry Answer Key 2026 Set 2 PDF | To be provided |
CBSE 12th Chemistry Answer Key 2026 Set 3 PDF | To be provided |
CBSE 12th Chemistry Question Paper 2026 PDF | To be provided |
Students can use the unofficial CBSE Class 12 Chemistry answer key 2026 PDF to get a rough idea of their expected marks before the official CBSE results are declared.
Step 1: Students should match their responses with the correct answers mentioned in the unofficial Chemistry answer key PDF provided above.
Step 2: They need to assign marks for each correct answer as per the specified marking scheme.
Step 3: Marks have to be added for each correct response, and the total theory marks should be calculated. Students can also include their practical or internal assessment marks to estimate the final scores.
The CBSE Class 12 Chemistry question paper 2026 will consist of 33 questions with internal choices. The paper will be divided into five sections from A to E, covering multiple-choice, short-answer, case-based, and long-answer questions.
Section | Question Type | Number of Questions | Marks per Question |
|---|---|---|---|
Section A | Multiple Choice Questions (MCQs) | 16 | 1 mark |
Section B | Short Answer Questions | 5 | 2 marks |
Section C | Short Answer Questions | 7 | 3 marks |
Section D | Case-Based Questions | 2 | 4 marks |
Section E | Long Answer Questions | 3 | 5 marks |
To pass the CBSE Class 12 Chemistry board exam 2026, students must score a minimum of 33% marks overall. Students are required to pass both the theory paper and practical/internal assessment separately to be declared successful in the subject.
In the theory exam, which is conducted for 70 marks, students must score at least 23 marks to pass.
In the practical and internal assessment component, which carries 30 marks, students must secure a minimum of 10 marks.
If a student fails to achieve the required marks in either theory or practical/internal assessment, they will be considered failed in Chemistry.
Also, Check: CBSE Passing Marks (All Subjects)
Frequently Asked Questions (FAQs)
Students can download the CBSE Class 12 Chemistry solved paper 2026 PDF from coaching institutes' websites and educational YouTube channels.
Students can only get an estimate of their marks using the answer key, but the final result will be confirmed only after the official CBSE Class 12 result declaration.
The unofficial CBSE 12th Chemistry answer key 2026 will be released separately for all the question paper codes by multiple online educational portals.
On Question asked by student community
Dear Student,
Please go through the link to check 12th CBSE Chemistry question paper: https://school.careers360.com/boards/cbse/cbse-previous-year-question-papers-class-12-chemistry
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