JEE Main Important Chemistry formulas
As per latest syllabus. Chemistry formulas, equations, & laws of class 11 & 12th chapters
CBSE will conduct the CBSE Science exam on February 25, 2026, and the CBSE Social Science exam on March 7, 2026. This year, the board has introduced a new structure for both papers. The CBSE 10th Science paper is divided into three sections: Section A (Biology), Section B (Chemistry), and Section C (Physics). Similarly, the CBSE 10th Social Science paper has four sections: Section A (History), Section B (Geography), Section C (Political Science), and Section D (Economics). This structure change has been introduced to improve evaluation quality. Learn more about this below in the article.
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Earlier, the questions from History, Geography, Political Science, and Economics were mixed, but now they will appear separately. Similarly, in Science, questions from Biology, Chemistry, and Physics were previously mixed, and they have now also been divided into separate sections.
Subject | Total sections | Section |
Science | 3 | Section A: Biology, Section B: Chemistry, Section C: Physics |
Social Science | 4 | Section A: History, Section B: Geography, Section C: Political Science, Section D: Economics |
To ensure proper evaluation, students must strictly follow guidelines regarding the sectional division of the answer book:
Students must divide their answer book into 3 sections for the Science examination and 04 sections for the Social Science examination before writing.
The answers for questions belonging to a specific section must be written only within the space designated for that section.
Answers for one section must not be written in or mixed with any other section.
If answers are mixed between sections, those replies will not be evaluated, and no marks will be awarded for the affected questions.
Such mistakes will not be accepted or addressed during verification or re-evaluation processes after the declaration of CBSE 10th results.
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All schools will make sure that students receive the required practice in advance. This is critical to prevent errors during the CBSE 10th board examinations. Schools should also incorporate these specific sectional instructions into their CBSE 10th Pre-Board examinations.
Apart from this, students can practice this new structure from the latest CBSE sample paper of these subjects. Download these CBSE 10th sample papers from the given link below for these subjects
Frequently Asked Questions (FAQs)
The CBSE social science will now have four sections: History, Geography, Political Science, and Economics, instead of mixed questions.
CBSE has divided the Science paper into three separate sections: Biology, Chemistry, and Physics to make evaluation more structured.
On Question asked by student community
Hi Piyush,
Here you can download the question paper of class 10th
https://school.careers360.com/boards/cbse/cbse-previous-year-question-papers-class-10
if you need any other resources please let us know.
Dear Student,
We don't have chapter-wise question papers. You can check the link provided below for the previous year science question papers:
https://school.careers360.com/boards/cbse/cbse-previous-year-question-papers-class-10-science
If you need any other resource, do let us know.
Dear Student,
The half-yearly exam for this academic session has yet to take place. You can refer to the previous year's question paper for reference:
https://school.careers360.com/boards/cbse/cbse-class-10-mid-term-exam-question-paper-answer-key-2025-26
If you need any other resources, do let us know.
Dear Student,
Please refer to the link provided below:
https://school.careers360.com/articles/cbse-10th-science-paper-2026
If you need any other resources, let us know.
Hi Sachin,
Here is the link of Question Paper
https://school.careers360.com/boards/cbse/cbse-previous-year-question-papers-class-10
if you need any other resources please let us know.
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