CBSE Class 12 Chemistry Answer Key 2025: The Central Board of Secondary Education (CBSE) successfully conducted the Class 12 Chemistry Board Exam 2025 on February 27, 2025. Students eagerly looking for the CBSE Class 12 Chemistry Answer Key 2025 can now check the set-wise answer key here.

CBSE Class 12 Chemistry Answer Key 2025 Released
The CBSE Class 12 Chemistry Board Exam took place on February 27, 2025, from 10:30 AM to 1:30 PM. Since CBSE does not release an official answer key, subject experts have prepared an unofficial answer key to help students evaluate their performance. Although it may not be 100% accurate, it provides an estimate of expected marks. The detailed CBSE Class 12 Chemistry Answer Key 2025 for all sets is available in the article below.
CBSE Class 12 Chemistry Answer Key 2025 – Overview
Exam Conducting Body | Central Board of Secondary Education (CBSE) |
---|---|
Examination Name | CBSE Class 12th Board Examination 2025 |
Category | Answer Key |
Status | Released |
CBSE Class 12 Chemistry Exam Date 2025 | February 27, 2025 |
CBSE Class 12 Chemistry Answer Key Release Date | February 27, 2025 |
Total Marks | 100 Marks |
Negative Marking | No Negative Marking |
Mode of Answer Key Availability | Online |
Official Website | https://www.cbse.nic.in/ |
What is the CBSE Class 12 Chemistry Answer Key 2025?
The CBSE Class 12 Chemistry Answer Key 2025 provides students with the correct answers to the questions asked in the Chemistry board exam. The board does not release an official answer key, but our subject experts have prepared a reliable set-wise solution to help students analyze their performance.
CBSE Class 12th Chemistry Question Paper With Answers 2025 (Set-1)
Section A
Q1. The charge required for the reduction of 1 mol of MnO₄⁻ to MnO₂ is
- (A) 1 F
- (B) 3 F
- (C) 5 F
- (D) 6 F
Answer: (B) 3 F
Q2. Which among the following is a false statement?
- (A) Rate of zero order reaction is independent of initial concentration of reactant.
- (B) Half-life of a zero order reaction is inversely proportional to the rate constant.
- (C) Molecularity of a reaction may be zero.
- (D) For a first-order reaction, t1/2 = 0.693/k.
Answer: (C) Molecularity of a reaction may be zero.
(Additional question-answer pairs continue in the same format)
How to Download the CBSE Class 12 Chemistry Answer Key 2025 PDF?
After the successful completion of the exam, the CBSE Class 12 Chemistry Question Paper 2025 along with the Answer Key PDF for sets A, B, C, and D is now available. Students can check their responses using the links below:
Sets | Download Link |
---|---|
CBSE Class 12 Chemistry Answer Key 2025 SET – 1 | Click Here |
CBSE Class 12 Chemistry Answer Key 2025 SET – 2 | Click Here |
CBSE Class 12 Chemistry Answer Key 2025 SET – 3 | Click Here |
CBSE Class 12 Chemistry Answer Key 2025 SET – 4 | Click Here |
What is the CBSE Class 12th Chemistry Question Paper Analysis 2025?
Teachers’ Reviews:
- The exam pattern was well-structured and fair.
- Questions were aligned with the CBSE syllabus.
- Case-based and reasoning questions focused on conceptual understanding rather than rote learning.
- NCERT-based preparation was sufficient for the exam.
- The paper maintained a balanced difficulty level.
Students’ Reviews:
- Organic Chemistry was easy for students who practiced NCERT questions.
- Physical Chemistry had tricky numerical problems requiring careful calculations.
- Assertion-reasoning and case-based questions tested conceptual clarity.
- Many students found the paper lengthy, emphasizing the need for better time management.
How to Calculate Marks Using CBSE Class 12 Chemistry Answer Key 2025?
- Download the CBSE Class 12 Chemistry Answer Key 2025 PDF.
- Keep your question paper handy and match your responses with the correct answers.
- Assign marks for each correct answer as per the exam pattern.
- Total your marks to estimate your expected score.
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