The Central Board of Secondary Education (CBSE) conducted the Class 12 Chemistry Exam 2026 on February 28, 2026 . The exam took place from 10:30 AM to 1:30 PM nationwide.
Unofficial Answer Key Released
Following the exam’s conclusion, unofficial answer keys for the CBSE Class 12 Chemistry paper became available. These keys allow students to estimate their potential scores. They are intended for reference only.
The official CBSE 12 Chemistry Answer Key 2026 will be released by the board at a later date.
Exam Paper Analysis
Students can use exam paper analysis to evaluate their performance. This analysis covers the overall difficulty level and specific sections of the test. Feedback from students and subject matter experts informs the analysis.
The detailed CBSE 12th Chemistry Question Paper Analysis 2026 will also be updated after the exam concludes.
Exam Structure and Passing Criteria
The CBSE Class 12 Chemistry theory exam is worth 70 marks. Students need to achieve at least 33% marks in both theory and practical components separately to pass.
The question paper consists of five sections: A through E. It contains a total of 33 questions. This year’s paper emphasizes competency-based questions. These now form 50% of the exam. This includes case-based and assertion-reason questions.
Important Note on Scores
The currently available answer keys are unofficial. Students should use them solely for an estimated score. Exact scores will be available with the final results, released by CBSE later.