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NSEC 2025-26 Registration, Application Fee, Exam Date, Syllabus

IAPT will conduct the first stage of the International Chemistry Olympiad, NSEC Exam in November 2025. Get the details of the NSEC 2025-26 registration process, exam date, eligibility criteria, and syllabus here.
authorImageSwati Singh1 Aug, 2025
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NSEC 2025

NSEC 2025-26: The National Standard Examination in Chemistry (NSEC) is the first stage of the Chemistry Olympiad in India, conducted for higher secondary students. It is organized annually by the Indian Association of Physics Teachers (IAPT), typically in the month of November, to foster interest in Chemistry and identify talented students for further stages of the Olympiad.

Top 1% of candidates qualify for the Indian National Chemistry Olympiad (INChO).

NSEC registration has been start from 1st August 2025 and will continue till 20th August 2025. Once that’s done, student enrollment will begin on 21st August and stay open until 14th September 2025. The exam is scheduled to be held on 23rd November 2025.

NSEC 2025-26

The National Science Education Center promotes chemistry as a subject and aims to generate interest in the candidates. The National Standard Examination in Chemistry, commonly known as NSEC, is the first stage of the International Chemistry Olympiad. 

Around 30,000 students of class 11 and 12 appear for the NSEC examination every year. Candidates who secure higher marks are shortlisted for the further stage of the Indian National Chemistry Olympiad.

Here is a detailed overview to help you understand everything about the NSEC 2025-26 including the registration process, eligibility criteria, syllabus, exam pattern, application fee, etc.

 

Fill: Student Feedback Form

NSEC Full Form

NSEC stands for National Standard Examination in Chemistry. NSEC 2025 is held to test the knowledge and skills of students in Chemistry subject and acts as the first stage of the selection process for the International Olympiads in Chemistry.
The Subjects included in the National Standard Examination in Chemistry are Physical Chemistry, Organic Chemistry and Inorganic Chemistry.

 

Check: How to Prepare for NSEC?

NSEC 2025-26 Overview 

The National Standard Examination in Chemistry (NSEC) is a national-level examination conducted for students in Higher Secondary school to identify and nurture young scientific talent in India. NSEC not only provides bright young minds an international platform to gain better knowledge but also provides global exposure.

NSEC 2025-26 Overview
Organization IAPT (Indian Association of Physics Teachers) in collaboration with HBCSE (Homi Bhabha Centre for Science Education),
Exam Name National Standard Examination in Chemistry (NSEC) 2025
Registration Dates 1 August 2025 to 21 August 2025
NSEC 2025-26 Exam Date 23 November 2025
Application Mode Online
Types of Questions Multiple Choice Questions (MCQs) - 60 Questions
Total Marks 216
Negative Marking there is a negative marking. For each wrong response, one mark will be deducted.
Official Website https://www.iapt.org.in/

NSEC 2025-26 Important Dates

IAPT will release the circular along with the complete schedule for NSEC Registration process for National Standard Examination in Chemistry. The registration process has been initiated on 1 August 2025 and NSEC 2025 Online Registration Window will remain open till the deadline. Go through the below table for the NSEC 2025-26 Important Dates.

NSEC 2025-26 Important Dates

Centre registration start date

1st August 2025

Last date for NSEC 2025 Center registration date

20th August 2025

NSEC 2025 Student enrolment start date

21st August 2025

NSEC 2025 Student enrolment end date

14th September 2025

NSEC Exam Date 2025

23 November 2025

NSEC 2025-26 Eligibility Criteria 

NSEC Olympiad exam is for Indian students who have a keen interest in chemistry and have excelled in chemistry. Around 850 centres are allocated by the organizing committee in various cities and towns officials facilitate the NSEC examination. Students must satisfy the NSEC 2025-26 eligibility criteria mentioned below:

  • Students must possess an Indian passport.
  • Students must be born between 1st July 2006 and 30th June 2011, all dates inclusive.
  • They must be living in India and studying in the country on or before 30th November 2023 OR must be studying in the Indian school system on or before 30th November 2023.
  • Students must not pass (or clear) the board examination for Class XII in 2025.
  • They must not register for any NSEJS 2025-26 exam is initiated (or intended to begin) study at a university or similar institution before 1 June 2025.

 

Also Check: International Chemistry Olympiad 

NSEC 2025-26 Registration Link 

The NSEC Registration Process 2025 has been start from 1st August 2025 at https://www.iapt.org.in/. Candidates can apply via the IAPT website after verifying the eligibility criteria and can also make the fee payment. The final date for NSEC 2025 Registration is 20th August 2025 through an official notice. All necessary documents must be provided along with the NSEC 2025 Online Application. 

NSEC 2025-26 Application Fee

Students have to pay a registration fee of Rs. 300/- to complete the NSEC 2025-26 Online Registration Process.
This is a one-time fee and students who progress to the next stage and progress further do not have to pay until the final stage. The NSEC 2025 registration fees are non-refundable once paid and mode of payment is online only.

Steps for NSEC 2025-26 Registration

Candidates must register at the NSEC 2025-26 Exam Centres before the deadline. While registering, students can also choose the language they are most comfortable with and take the exam in English or Hindi. You can get the NSEC Registration form by following the steps below:
Step 1: Students must first contact the NSEC centers. Over the past few years, IAPT has opened thousands of centers. Students can get the application form from one of the local NSEC centers.
Step 2: After visiting the nearest NSEC center, students can get the NSEC 2025 application form from the center coordinator and submit it after filling in the necessary details.
Step 3: Students who want to appear for the NSEC 2025-26 exam can also register online by clicking on the application form link available on the official website of IAPT.
Step 4: A registration fee is required to be paid while filling the form in both offline and online cases.
Step 5: You will have to pay a registration fee of Rs 300/-.
Step 6: After payment of the fee, students will be eligible to download the NSEC admit card after its official release by the organizing authority.
Step 7: This will be a one-time fee and students will not have to pay any further fees if they clear the exam and appear for the next level(s).

 

Olympiad Preperation Tips

NSEC 2025-26 Exam Date 

The NSEC 2025-26 Exam Date 2025 will be declared on the official portal of Indian Association of Physics Teachers (IAPT) https://www.iapt.org.in/. For the students who are going to appear for the NSEC Exam have to appear on in Novermber 2025 at their respective centres nationwide.
Your centre will be considered as a test centre for NSEC 2025-26, based on the completion of centre verification as well as decision of the committee. A few days before the NSEC 2025 exam date the NSEC Admit Card 2025-26 will be issued to the eligible students.

Stages After NSEC

Following are the stages of the Chemistry Olympiad:

  1. National Standard Examination in Chemistry (NSEC).

  2. Indian National Chemistry Olympiad (INChO).

  3. Orientation cum Selection camp of Chemistry (OSC).

  4. Pre-departure Training camp for INChO (PDT).

  5. Participation in the International Chemistry Olympiad.

Online Coaching for NSEC 2025-26

PW Online Coaching for National Standard Examination in Chemistry (NSEC) 2025 is all about having the appropriate information along with dedication and effective communication. Our NSEC Exam 2025 online coaching is customized for each student and made to work with their hectic schedules.

Chapter-wise Daily Practice Problem Sets (DPPS), test assignments with solutions, will be provided to enhance understanding. We employ a range of interactive resources and methods to successfully mentor young pupils throughout the country.

The fundamental objective of this batch, which has been carefully designed to accommodate students for Class 11 and 12, is to enable them to achieve exceptional results on the NSEC Olympiad Test. 24/7 access to lecture recordings will be possible, enabling students to review and revisit the material at their convenience.

 

NSEC Batch 2025 

NSEC Exam Pattern 2025-26

To crack a competitive exam, it is essential to have a clear understanding of the exam pattern. Before starting the NSEC exam preparation, students should familiarize themselves with the NSEC 2025-26 Exam Pattern.
  • NSEC Exam duration - Two hours.
  • Exam level/syllabus - Below CBSE Class 12 syllabus for Chemistry.
  • Test Medium/Language - English and Hindi (as selected during registration).
  • Question Type - Multiple Choice.
  • Total Number of Questions - 60
  • Total Marks - 216 Marks
  • Marking Scale - 3 marks are awarded for each question and in case of wrong answer, one mark will be deducted.
 

Set A

Set B

Type of Questions

Multiple Choice Questions

Multiple Choice Questions

No of Questions

48

12

Marks for Correct Answer

+3

+6

Marks for Incorrect Answer

-1

0

NSEC Syllabus 2025-26

The NSEC Syllabus 2025-26 follow the syllabus for Class 11 and 12 and the details are discussed here.
NSEC Syllabus 2025-26
Class Chapters
Class 11
  • Some basic concepts of Chemistry
  • Structure of Atoms
  • Classification of Elements and Periodicity in Properties
  • Chemical Bonding and Molecular Structure
  • States of Matter: Solid, Liquid and Gas
  • Chemical thermodynamics
  • Equilibrium
  • Redox Reaction
  • Hydrogen
  • S-block Elements
  • P- block Elements
  • Organic Chemistry: Some Basic principles and techniques
  • Hydrocarbons
  • Environmental Chemistry
Class 12
  • Solid State
  • Solutions
  • Electro Chemistry
  • Chemical Kinetics
  • Surface Chemistry
  • General Principles and Processes of Isolation of elements
  • P-block elements
  • Coordination Compounds
  • Haloalkanes and Haloarenes
  • Alcohol, Phenols and Ethers
  • Aldehydes, Ketones and Carboxylic Acids
  • Amines
  • Biomolecules
  • Polymers
  • Chemistry in everyday life

NSEC 2025-26 Result

The Indian Association of Physics Teachers releases the NSEC Result 2025 usually in the month of January. The NSEC 2025-26 Result will be announced by IAPT at the official website - https://www.iapt.org.in/. The toppers of NSEC exams will proceed to the second stage of the Indian National Olympiad (INO) i.e. Indian National Chemistry Olympiad. In order to view the results, students will need to enter their date of birth and password. Do note that the date of birth should be entered in DD/MM/YYYY format.

 

Olympiad Toppers & Achivers

NSEC Previous Year Question Paper 

The candidates should work hard on  NSEC Previous Year Question Papers  so that they are familiar with the type and pattern of questions and are well prepared to face uncertainties like time management and difficult questions during the NSEC exam. From the below link you can find and download the NSEC Previous Year Question Paper.

NSEC 2025-26 FAQs

What is NSEC?

The National Science Education Center promotes chemistry as a subject and aims to generate interest in the candidates. The National Standard Examination in Chemistry, commonly known as NSEC, is the first stage of the International Chemistry Olympiad.

Is it possible for me to immediately compete in the International Chemistry Olympiad?

No, a student who has not completed the several phases of testing that lead to ICO selection would not be permitted to represent India abroad. If a student wishes to participate in ICO, he or she must first pass the NSEC exam. Students who pass the tests will be allowed to join the training camp.

What is the date for NSEC 2025-26 Exam?

The NSEC 2025-26 Exam is scheduled in November 2025 and the exact date will be on the official portal of Indian Association of Physics Teachers (IAPT) iapt.org.en.

What is Syllabus and Exam Pattern for NSEC 2025-26?

The NSEC 2025-26 Syllabus and Exam Pattern follows the NCERT curriculum for Classes 11 and 12, but it also includes higher-level questions and detailed overview is provided in the blog.

What are the NSEC 2025-26 Registration Dates?

NSEC registration has been start from 1st August 2025 and will continue till 20th August 2025

Who is eligible for NSEC 2025-26?

Students to be eligible for NSEC 2025-26 must be born between 1st July 2006 and 30th June 2011, all dates inclusive and the detailed overview is provided above.

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