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    CBSE Class 12 Chemistry Answer Key 2026 (Feb 28) – Download Set 1, Set 2, Set 3 PDF Solutions
    • CBSE Class 12th Exam
    • CBSE Class 12 Chemistry Answer Key 2026 (Feb 28) – Download Set 1, Set 2, Set 3 PDF Solutions

    CBSE Class 12 Chemistry Answer Key 2026 (Feb 28) – Download Set 1, Set 2, Set 3 PDF Solutions

    Manasvini GuptaUpdated on 28 Feb 2026, 04:30 PM IST

    On February 28, 2026, the CBSE Class 12 Chemistry board exam 2026 was conducted from 10:30 am to 1:30 pm. After the exam concludes, several renowned online portals and subject experts 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.

    Live | May 14, 2026 | 9:00 AM IST

    This Story also Contains

    1. CBSE Class 12 Chemistry Answer Key 2026 PDF Download Link
    2. CBSE Class 12 Chemistry Paper Analysis 2026
    3. Steps to Estimate Scores with CBSE 12th Chemistry Answer Key 2026 PDF
    4. CBSE Class 12 Chemistry Question Paper Structure
    CBSE Class 12 Chemistry Answer Key 2026 (Feb 28) – Download Set 1, Set 2, Set 3 PDF Solutions
    CBSE Class 12 Chemistry Answer Key 2026

    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.

    CBSE Class 12 Chemistry Answer Key 2026 PDF Download Link

    The CBSE 12th Chemistry answer key PDF 2026 is made available set-wise for all question paper codes. Students can download the solved paper and answer key from the table below:

    Particulars


    Download Link


    CBSE 12th Chemistry Answer Key 2026 Set 1 PDF

    Available here

    CBSE 12th Chemistry Answer Key 2026 Set 2 PDF

    Available here

    CBSE 12th Chemistry Answer Key 2026 Set 3 PDF

    Available here

    CBSE 12th Chemistry Question Paper 2026 PDF

    Available here

    CBSE Class 12 Chemistry Paper Analysis 2026

    As per Somya Hooda, Chemistry Department, Silverline Prestige School: ''The paper includes a good mix of competency-based and moderate questions, which assess the application of knowledge. The paper was average, and the questions were mainly CBSE sample paper-based. Direct questions were straightforward and easy to answer. The MCQs and competency-based questions were also of average difficulty, ensuring a balanced assessment. Students finished the paper well in time and were satisfied with the level of the paper. Overall, all the sets were moderate to easy.''

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    Steps to Estimate Scores with CBSE 12th Chemistry Answer Key 2026 PDF

    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.

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    CBSE Class 12 Chemistry Question Paper Structure

    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

    Passing Marks for CBSE Class 12 Chemistry Exam 2026

    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.

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    Also, Check: CBSE Passing Marks (All Subjects)

    CBSE Class 12th Syllabus: Subjects & Chapters
    Select your preferred subject to view the chapters

    Frequently Asked Questions (FAQs)

    Q: Where can I download the CBSE 12th Chemistry solved paper PDF 2026?
    A:

    Students can download the CBSE Class 12 Chemistry solved paper 2026 PDF from coaching institutes' websites and educational YouTube channels.

    Q: Can I predict accurate scores using the Chemistry answer key?
    A:

    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.

    Q: Will the Chemistry answer key be available set-wise?
    A:

    The unofficial CBSE 12th Chemistry answer key 2026 is released separately for all the question paper codes by multiple online educational portals.

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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 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