CBSE Class 12 Chemistry Answer Key 2026 Out and Download Question Paper PDF

CBSE Class 12 CBSE Chemistry Exam 2026 conducted on 28 February 2026, concludes at 1:30 PM, the CBSE Class 12 Chemistry Answer Key 2026 (set-wise) will be updated here. All answers to the objective-type questions will be provided for students to cross-check their responses.

For subjective-type questions, students are advised to refer to their textbooks or consult teachers, as answers may vary based on explanation and presentation. The question paper is divided into five sections carrying different marks, and all questions are compulsory with internal choices. However, Section A (objective-type questions) does not include alternative options, so students must attempt all questions in that section.

CBSE Board Class 12 Chemistry 2026 Answer Key

CBSE Class 12 Chemistry Answer Key 2026 – Set wise Download Links

The Chemistry question paper is generally issued in multiple sets to ensure fairness and maintain balance during the examination. Below, you can access the download links for each set.

Download CBSE Class 12 Chemistry Question Paper 2026

CBSE Class 12 Chemistry Exam Pattern and Marking Scheme 2026

CBSE Class 12 Chemistry Answer Key 2026: Section-wise Breakdown

The CBSE Class 12 Chemistry Question Paper 2026 is divided into multiple sections, each carrying different weightage. Below is a clear section-wise breakdown along with what students can expect in the answer key.

Section A – Objective Type Questions (1 Mark Each)

• MCQs
• Assertion-Reason questions
• Case-based MCQs

The answer key will provide:

• Correct options (A/B/C/D)
• Brief explanations where required

Note: All questions in this section are compulsory and carry no internal choices.

Section B – Short Answer Questions (2 Marks Each)

• Concept-based questions
• Small numericals
• Chemical reactions

The answer key will include:

• Key points required for full marks
• Balanced equations where applicable
• Proper steps for numericals

Section C – Short Answer Questions (3 Marks Each)

• Reasoning-based questions
• Organic reaction mechanisms
• Derivations and explanations

The answer key will provide:

• Stepwise solutions
• Important keywords as per CBSE marking scheme
• Diagrams or mechanisms if needed

Section D – Case Study-Based Questions (4 Marks Each)

• Paragraph-based conceptual questions
• Application of theory

The answer key will include:

• Accurate conceptual explanations
• Correct logical reasoning
• Structured answers aligned with marking scheme

Section E – Long Answer Questions (5 Marks Each)

• Detailed explanations
• Numerical problem-solving
• Organic Chemistry conversions
• Inorganic Chemistry reasoning

The answer key will provide:

• Step-by-step solutions
• Proper format of answers
• Important reactions and formulas
• Diagram references (if required)

CBSE Class 12 Chemistry 2026 Exam Analysis

Many students described the CBSE Class 12 Chemistry Board Exam 2026 as moderately challenging, featuring a balanced mix of conceptual, numerical, and derivation-based questions.

How to Calculate Marks Using Class 12 Chemistry Answer Key 2026

Follow these simple steps to estimate your score:

• Download the correct set answer key (Set 1/2/3 etc.) to avoid mismatch.
• Match all MCQs (Section A) and give yourself 1 mark for each correct answer.
• No negative marking (CBSE board exams generally do not deduct marks for wrong MCQs).
• For 2, 3, 4, and 5 mark questions, compare your answers with:
  • Key points
  • Balanced equations
  • Correct formulas
  • Stepwise solutions
• Give yourself full marks only if all required points are correct.
• Deduct marks if:
  • Steps are missing
  • Equations are unbalanced
  • Final answer lacks units
• Add marks section-wise:
  • Section A (1 mark each)
  • Section B (2 marks each)
  • Section C (3 marks each)
  • Section D (Case study)
  • Section E (5 marks each)
• Ensure your total does not exceed 70 marks (Theory).
• Add your Practical/Internal marks (out of 30) to estimate your overall score.

How to Use the Class 12 Chemistry 2026 Answer Key Properly?

Follow these easy steps:

• Download the official or expert-prepared answer key PDF.
• Check your answers section by section.
• Award marks according to the prescribed marking scheme.
• Calculate your total score carefully.
• Compare your estimated marks with previous years’ result trends for a better idea.