CBSE Board Exam 2025 Live: Class 12 chemistry paper ends; analysis, student reactions, answer key

CBSE Class 10 date sheet 2025 for upcoming exams.

Private candidates appearing for CBSE Class 10, 12 board exams 2025 can download CBSE admit card 2025 from the official website, cbse.gov.in. They will need their login credentials to download the hall tickets. It is mandatory for students to carry their admit cards to the exam hall on the day of exam.

As per CBSE draft on conduct of board exams twice a year from the 2025-26 session, the Central Board of Secondary Education will divide the subjects into two groups and hold exams for regional and foreign languages in one go. The CBSE board exams 2026 will be held in two phases -- first phase from February 17 to March 6 and second phase from May 5 to May 20.

Read More: CBSE board exams twice a year from 2025-26; 2 subject groups, 'better of two marks' in draft policy

Amid row over absence of Punjabi language from the list of subjects in CBSE board exams 2026, the board chairperson Rahul Singh clarified that the scheme of subjects and the number of academic subjects will remain unchanged in the board exams for the academic session 2025-26.

Read More: No change in CBSE Class 10 subjects for 2026, board will offer 45 languages: Chairman clarifies

The Central Board of Secondary Education (CBSE) will conduct the next Class 12 board exam 2025 on February 28 for financial markets management, beauty and wellness, and medical diagnostics.

Experts and students rated today's CBSE Class 12 chemistry paper 2025 as overall moderate in difficulty level. The question paper did not comprise any out-of-syllabus questions. There was a balance mix of conceptual, application-based, and numerical questions.

Read More: CBSE Class 12 Chemistry Exam Analysis 2025: Paper 'moderately difficult' but well balanced

As per Sarita Khokhar, head of department, Seth Anandram Jaipuria School, the CBSE Class 12 chemistry paper contained questions of varying difficulty levels, from easy to moderate. It was based entirely on the NCERT curriculum, making it easier for students who had thoroughly studied the NCERT textbook and solved practice questions to score high marks.

From Section C, some students found electrochemistry questions challenging, which was based on theory. All sections were moderate in terms of difficulty level.

The case study-based question subpart (2 marks) had an error and students were confused because of that. Numerical calculations were simple and required little effort. The paper provided a well-balanced mix of understanding, application, and memory-based questions. Students were able to complete it within the allotted time, and are anticipating good marks.

“The 2025 Chemistry Board Exam question paper was thoughtfully designed to assess a comprehensive understanding of the subject, with an appropriate balance of difficulty and accessibility. The objective section was relatively straightforward, testing basic concepts and formulas. However, some of the short answer questions required a deeper understanding of reactions, concepts, and calculations. The Short Answer section was moderately challenging, with some questions requiring not just memorization but also a clear understanding of chemical processes and mechanisms. The long answer questions were also well-designed, requiring students to not only recall facts but also apply knowledge critically," according to Sonam Chauhan Chemistry educator (PGT) at JAIN International Residential School, Bengaluru.

Overall, the paper was fair and well-distributed across various topics, she said. It challenged students who had thoroughly studied the syllabus and had strong problem-solving skills. While some questions required deep conceptual understanding, the paper avoided overly tricky or out-of-syllabus questions.

CBSE Class 12 maths paper 2025 will be held on March 8. The important topics covered under CBSE Class 12 maths syllabus 2024-25 and marks are given below.

The Central Board of Secondary Education (CBSE) today, concluded the exam for the Class 12 chemistry subject. The test was conducted from 10:30 am to 1:30 pm at 7,842 centres.

CBSE concluded the Class 12 chemistry exam today. (Representational image: Wikimedia Commons)

As per the report, published by the Indian Express, the CBSE Class 12 chemistry question paper 2025 was moderate to difficult.

Students will be able to check the CBSE board exam results through the official website at cbse .nic.in. They have to go to the Pariksha Sangam portal to access the results. The board has not announced CBSE Class 12 result release date yet.

Today, the CBSE concluded the Class 12 board Chemistry paper in single shift from 10:30 am to 1:30 pm.

CBSE Class 12 Board Exam datesheet is given below.

To pass the CBSE Class 12 chemistry exam, students need to score at least 33% in the subject.

As per the CBSE 12th results 2024, more than 24,000 students were able to score 95% and above in all the subjects.

As per the previous year trends, the CBSE Class 12 chemistry paper 2024 was moderate to difficult. The CBSE Class 12 chemistry 2025 exam analysis will be available shortly.
CBSE Class 12 chemistry exam ends at 1:30 pm. (Representational image: Wikimedia Commons)

The duration of CBSE Class 12 exam was three hours. The exam started at 10:30 am and concluded at 1:30 pm. The board will conduct next Class 12 board exam tomorrow.

The CBSE class 12 chemistry paper ends at 1:30 pm today at 7,842 centres. Students can follow up soon for the class 12 chemistry paper analysis and reactions.

The Central Board of Secondary Examination (CBSE) has concluded the Class 12 chemistry exam at 1:30 pm today.

The Central Board of Secondary Education (CBSE) will conclude the class 12 chemistry paper soon at 1:30 pm.  The board started the exam at 10:30 am at 7,842 centres.

Colleges such as National Institute of Technology (NIT), Warangal, Maulana Azad National Institute of Technology, (MANIT), Bhopal, National Institute of Technology (NIT), Calicut, National Institute of Technology (NIT), Tiruchirappalli, Visvesvaraya National Institute of Technology (VNIT), Nagpur and many more accepts applications on the basis of Class 12 board scores.

The CBSE Class 12 chemistry exam will be concluded in half n hour. The analysis for the CBSE Class 12 chemistry paper will be released here once the exam is over.

Yes, scoring 95% in the CBSE Class 12 board exams is considered a very good marks. Students, who bagged the 95% score in the class 12 board exams can get admissions to top Indian Institute of Technologies (IITs), National Institute of Technology (NITs) and Indian Institute of Sciences (IISc).

There are a total of 16 chapters in the CBSE Class 12 chemistry subject. The question paper is divided into 5 sections which includes Multiple Choice Questions (MCQ), very short answer questions, short answer questions, case-based questions, and long answer questions.

The Central Board of Secondary Education (CBSE) is currently conducting the Class 12 board exam for chemistry subject. The board will conduct the next class 12 board exam for financial markets management, beauty and wellness, medical diagnostics on February 28.

Yes, the Central Board of Secondary Education (CBSE) has released the date sheet for class 12 board exams 2025. However, the results release date is not yet announced by the CBSE. The board commenced the CBSE class 12 board exams on February 15 and it will be concluded on April 4.

CBSE Class 12 Board Exam datesheet.

In 2024, more than 16 lakh students registered for the Class 12 board exams where 16,21,224 students wrote the exams. A total of 14,26,420 students were able to pass the class 12 board exams by an overall pass percentage of 87.98%

The CBSE Class 12 board exam for the chemistry paper is underway. The duration of the exam is 3 hours. The exam started at 10:30 am and will be concluded at 1:30 pm. The board will conduct the final exam for the Class 12 board on April 4.

The CBSE Class 12 chemistry paper is currently being held at 7,842 centres. Over 17 lakh students are writing the CBSE Class 12 chemistry board exam which will be concluded at 1:30 pm. The board will release the Class 12 chemistry paper with solutions after the exam is over on its official website.

As per the previous trends, the CBSE Class 12 board exams was moderate to difficult. However, the analysis for the CBSE Class 12 chemistry paper will be released after the exam is concluded.

The Central Board of Secondary Education (CBSE) has dismissed the of CBSE board exam paper leak rumours and called it “baseless” claims “intended to create unnecessary panic among students and parents.

No, the Central Board of Secondary Education (CBSE) has not announced the Class 12 board result date yet. As per the previous trends, the board is expected to announce the scorecard for the CBSE Class 12 board exams in the month of May.
CBSE Class 12 Chemistry board paper commenced at 10:30 am. (Representational image: Wikimedia Commons)

Students, who are currently appearing for the CBSE Class 12 chemistry paper, need to obtain at least 33% to pass the Class 12 board paper. Notably, students have to score 33% in theory as well as practicals to clear the CBSE Class 12 board exams.

More than 17 lakh students are appearing for the CBSE Class 12 chemistry exam which started at 10:30 am today. The exam will be concluded at 1:30 pm. The Class 12 chemistry paper analysis will be released here after the exam is concluded. As per previous years' trends, the difficulty level for Class 12 chemistry paper was moderately difficult to challenging.

The CBSE distributed the Class 12 chemistry question paper to students at 7,842 centre around 10:15 and the appearing students were given 15 minutes of reading time. The exam started at sharp 10:30 am. The CBSE Class 12 chemistry question paper carries a total of 80 marks.

The CBSE Class 12 board exam started at 10:30 am. The exam will be of three hours and it will be concluded at 1:30 pm.

The Central Board of Secondary Education (CBSE) has commenced the Class 12 chemistry exam at 7,842 centres. The exam will be held for three hours and will be concluded at 1:30 pm.

The Central Board of Secondary Education (CBSE) has not released the Class 12 board result date sheet yet. As per the previous trends, the board is expected to announce the results in the month of May.

The exam centre gates are closed for the CBSE Class 12 Chemistry paper at all the centres. Question paper will be distributed shortly and the students will be given 15 minutes of reading time and the exam will begin from 10:30 am.

The CBSE Class 12 Chemistry paper will begin in half n hour at 7,842 centres. Over 77 lakh students will appear for the Class 12 board exam today.

The CBSE Class 12 Chemistry question paper will consists of 16 Multiple Choice Questions, 5 very short answer questions, 7 short answer questions, 2 case-based questions, and 3 long answer questions. The question paper will be of 80 marks.

The Central Board of Secondary Education (CBSE) will conduct the Class 12 Chemistry board exam for 16 chapters. The exam will begin from 10:30 am and will be concluded by 1:30 pm.

The CBSE abbreviation stands for the Central Board of Secondary Education. Currently, the board has 21,271 schools in India and 228 schools in 25 foreign countries. There are 1,138 Kendriya Vidyalayas, 3,011 government, aided schools, 16,741 independent schools, 595 Jawahar Novodaya Vidyalayas and 14 Central Tibetan Schools.

CBSE will conduct Class 12 Chemistry board exam today from 10:30 am. (Image source: Official X account/ CBSE)

The CBSE will be distributing the Class 12 Chemistry question paper to students at 10:15 am and the exam will be begin from 10:30 am. It will be concluded at 1:30 pm. The exam will be conducted at 7,842 centres where more than 77 lakh students will appear.

The CBSE Class 12 board exam 2025 took place from February 15 and will be concluded by April 4. Today, the CBSE will conduct the Class 12 board Chemistry paper in single shift from 10:30 am to 1:30 pm. The students will be given 15 minutes of reading time.

CBSE Class 12 Board Exam datesheet is given below.

In 2024 CBSE Class 12 Board exam, a total of 2,152 students were able to secure 100 percentile in the Chemistry paper.
CBSE Class 12 Board Chemistry paper will be of 3 hours where 15 minutes will be given as reading time. (Representational image: Freepik)

The Central Board of Secondary Education (CBSE) Class 12 board exam was considered to be easy to moderate where more than a lakh students score above 90% marks in the board result.

The Central Board of Secondary Education (CBSE) will conduct the next Class 12 board exam for Financial markets management, beauty and wellness and medical diagnostics papers on February 28. The board will conclude the Class 12 board exams on April 4.

With good time management and preparation, any student can score above 90+ in the CBSE Class 12 Chemistry paper. However, the scores also vary as per the difficulty level of the paper. As per the last year report , a total of 24,068 students secured over 95% and above in all the subjects in the CBSE Class 12 Board exams.

As per the previous year analysis, the level of the CBSE Class 12 board Chemistry paper was moderately difficult. The CBSE will begin the Class 12 board chemistry paper from 10:30 am and the gates of the exam centre will be closed at 10:00 am.

Yes, the Chemistry in class 12 is quite advanced and harder than the chemistry in class 11. The analysis for the CBSE Class 12 board chemistry paper will be published here after the CBSE will conclude the Class 12 Chemistry paper today.

The Central Board of Secondary Education (CBSE) will commence the Class 12 board Chemistry paper from 10:30 am today. The exam will conclude at 1:30 pm. After the conclusion, the paper analysis will be posted here.

The Central Board of Secondary Education (CBSE) is set to conduct the CBSE Class 12 board chemistry paper today. The exam will start from 10:30 am and will conclude by 1:30 pm.

Here are the guidelines for exam day which students should follow for smooth conduct of exams.

• Printed or written textual material, bits of paper, and calculators are prohibited. However, students with learning disabilities, such as Dyscalculia, are permitted to use calculators.
• Mobile phones, bluetooth devices, earphones, microphones, pagers, health bands, smartwatches, cameras, etc., are not allowed.
• Wallets, goggles, handbags, pouches, etc., are prohibited.
• Eatable items, whether opened or packed, are not allowed except for diabetic students.
• Any other item that could be used for unfair means is prohibited.

The Central Board of Secondary Education (CBSE) is set to implement two-tier difficulty levels- 'standard and advanced' for science and social science paper in Class 9 from next year, as reported by the Indian Express.

The Central Board of Secondary Education (CBSE) will conduct the Class 12 Chemistry board paper today from 10:30 am. Students need to carry their CBSE Class 12 board admit card and school id with them to the exam centre. They are advised to reach the exam centre before 10 am as the gates will be closed. Students will be given 15 minutes of reading time and the exam will last for 3 hours.

In 2024, over 16 lakh students wrote the CBSE Class 12 board exams. This year, a total of 77,88,165 students are appearing for the board exams. Whereas, around 20 lakh students are expected to appear for the CBSE Class 12 board exams in 2026.

The difficulty level depends totally on the questions paper. If a student is prepared then its easy to achieve your goals and vice versa. In 2024, the pass percentage for CBSE Class 12 board exams was 87.98% and over 22,000 students scored above 95% score.

Yes, 85% is a good score in the CBSE Class 12 board exams. Although, above 90% is considered excellent score but it depends on the difficulty level of the paper.

Students need to secure at least 33% marks to pass the CBSE Class 12 Chemistry board exam. A total of 120 subjects are offered in the Chemistry paper. Notably, in CBSE Class 12 board exam 2025, internal assessment hold 30 marks while theory paper is of 70 marks.

CBSE Class 12 Chemistry paper to begin from 10:30 am today. (Representational image: Wikimedia Commons)

The CBSE will conduct the Class 12 Chemistry board exam today from 10:30 am to 1:30 pm. Students are advised to reach the exam centre before the gates are closed at 10:00 am. There will be 15 minutes of reading time before the start of the exam.

The Central Board of Secondary Education (CBSE) will conduct the Class 12 Chemistry paper today from 10:30 am to 1:30 pm. More than 77 lakh students will appearing for the Class 12 Chemistry paper at 7,842 centres.