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

NEW DELHI: The Central Board of Secondary Education (CBSE) Class 12 chemistry exam 2025 ends at 7,842 centres. Of the 17,88,165 registered candidates, CBSE class 12 science stream students appeared for the CBSE Class 12 chemistry exam today. The board has concluded the exam at 1:30 pm.

The CBSE 2025 Class 12 exam gate closing time was 10 am. Students are required to carry their CBSE Class 12 admit card 2025 and school ID to the exam centre. The Delhi Metro is prioritising CBSE board exam students in frisking and ticketing, as per PTI.

As per board officials, a total of 120 subjects are offered in CBSE Class 12. Students are given 15 minutes time to read the question paper before the commencement of CBSE Class 12 exam 2025. In CBSE Class 12 exams 2025, internal assessment carries 30 marks and theory paper is for 70 marks.

As per Indian Express report, the CBSE will implement two-tier difficulty levels—Standard and Advanced, for Science and Social Science subjects in Class 9 starting from 2026.

CBSE Class 12 Chemistry Paper 2025: Pattern

The CBSE Class 12 chemistry question paper pattern 2025 is given below.

CBSE Class 12 passing marks 2025

According to the CBSE Class 12 passing marks 2025, students are required to score 33% in aggregate to clear the intermediate board exams. Additionally, students will have to secure 33% separately in practical as well as theory papers to pass the CBSE Class 12 exams 2025.

According to the CBSE date sheet 2025, Class 12 exams will conclude on April 4. Rumours regarding CBSE paper leaks for Class 10 and 12 board exams 2025 were surfacing on social media. However, CBSE refuted these paper leak claims, and called them 'baseless'.

Several rumors regarding paper leaks have circulated on social media, causing unnecessary panic among students. However, there is no official confirmation from the board regarding chemistry paper leak 2025.