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 27 Feb 2026, 12:52 PM IST

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.

LiveCBSE 2026 Exam Feb 28 LIVE: CBSE Class 12 Chemistry paper today; on-screen marking, analysisFeb 28, 2026 | 8:10 AM IST

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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This Story also Contains

  1. CBSE Class 12 Chemistry Answer Key 2026 PDF Download Link
  2. Steps to Estimate Scores with CBSE 12th Chemistry Answer Key 2026 PDF
  3. 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 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

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.

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.

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.
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Also, Check: CBSE Passing Marks (All Subjects)

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 will be released separately for all the question paper codes by multiple online educational portals.

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