CSIR NET Physical Science Previous Years Question Papers serve as one of the most effective tools for aspirants aiming for JRF or Lectureship. Since the exam is highly competitive, understanding its pattern and frequently tested concepts becomes crucial for scoring well. Practicing these papers helps you decode the types of questions asked, the difficulty trend, and the examinerโs mindset, enabling you to plan your preparation more strategically.
Working through past papers also develops essential exam skills such as speed, accuracy, conceptual clarity, and time management. Repeated exposure to previous questions highlights important formulas, recurring topics, and problem-solving techniques that can significantly boost your performance in the upcoming 2025 exam.

CSIR NET Chemical Science Question Papers PDFs
The National Testing Agency (NTA) provides official CSIR NET Chemical Science question papers in PDF format to help aspirants prepare effectively for the exam. These papers contain authentic questions asked in previous years, allowing candidates to understand the exam pattern, difficulty level, and types of questions asked. By practicing these papers regularly, students can enhance time management skills, identify high-weightage topics, and accurately assess their level of preparation for the upcoming CSIR NET Chemical Science examination.
You can also check – CSIR NET Life Science Question Papers Download Pdf 2025
CSIR NET Exam Analysis 2025ย Overview
The CSIR NET 2025 exam for the June cycle was successfully conducted by the National Testing Agency (NTA) on 28 July 2025. The exam aims to determine the eligibility of candidates for Junior Research Fellowship (JRF) and Assistant Professorship in major science disciplines.
CSIR NET 2025 Exam Highlights
| Particulars | Details |
| Exam Name | CSIR NET 2025 |
| Conducting Body | National Testing Agency (NTA) |
| Exam Date | 28 July 2025 |
| Exam Mode | Computer-Based Test (CBT) |
| Duration | 3 Hours |
| Exam Shifts | Shift 1: 9:00 AM โ 12:00 Noon
Shift 2: 3:00 PM โ 6:00 PM |
| Question Type | Multiple Choice Questions (MCQs) |
| Subjects | Life Sciences, Chemical Sciences, Physical Sciences, Earth Sciences, Mathematical Sciences |
| Medium of Exam | English & Hindi |
| Official Website | csirnet.nta.ac.in |
You can also check – CSIR NET Life Science Question Papers Download Pdf 2025
CSIR NET Exam 2025 Marking Scheme Subject-wise
Along with reviewing the CSIR NET Exam 2025 Marking Scheme Subject-wise, practicing with CSIR NET Chemical Science Previous Years Question Papers can boost your preparation.
| Subject | Total Marks | Negative Marking | Marking Scheme |
| Mathematical Science | 200 | Part A: -0.5
Part B: -0.75 Part C: 0 (No negative) |
Part A: +2
Part B: +3 Part C: +4.75 |
| Physical Science | 200 | Part A: -0.5
Part B: -0.875 Part C: -1.25 |
Part A: +2
Part B: +3.5 Part C: +5 |
| Chemical Science | 200 | Part A: -0.5
Part B: -0.5 Part C: -1 |
Part A: +2
Part B: +2 Part C: +4 |
| Earth Science | 200 | Part A: -0.5
Part B: -0.5 Part C: -1 |
Part A: +2
Part B: +2 Part C: +4 |
| Life Science | 200 | Part A: -0.5
Part B: -0.5 Part C: -1 |
Part A: +2
Part B: +2 Part C: +4 |
CSIR NET Chemical Science Previous Year Question Paper PDFs Year-Wise List
Below is the complete set of officially released CSIR NET Chemical Science Question Papers available in PDF format. These papers help candidates understand exam trends, question patterns, difficulty levels, and important topics for effective preparation.
2023 CSIR NET Chemical Science Question Papers
- CSIR-UGC NET Chemical Sciences Official Paper (27 Dec 2023 โ Shift 2)
Download PDF - CSIR-UGC NET Chemical Sciences Official Paper (7 June 2023 โ Shift 1)
Download PDF
2022 CSIR NET Chemical Science Question Paper
- CSIR-UGC NET Chemical Sciences Official Paper (February 2022)
Download PDF
2020 CSIR NET Chemical Science Question Papers
- CSIR NET Chemical Sciences Official Paper (30 Nov 2020 โ Shift 1)
Download PDF - CSIR NET Chemical Sciences Official Paper (26 Nov 2020 โ Shift 1)
Download PDF
2019 CSIR NET Chemical Science Question Papers (June)
- Set A โ Download PDF
- Set B โ Download PDF
- Set C โ Download PDF
2018 CSIR NET Chemical Science Question Papers
June 2018
- Set A โ Download PDF
- Set B โ Download PDF
- Set C โ Download PDF
December 2018
- Set A โ Download PDF
- Set B โ Download PDF
- Set C โ Download PDF
2017 CSIR NET Chemical Science Question Papers
June 2017
- Set A โ Download PDF
- Set B โ Download PDF
- Set C โ Download PDF
December 2017
- Set A โ Download PDF
- Set B โ Download PDF
- Set C โ Download PDF
2016 CSIR NET Chemical Science Question Papers
June 2016
- Set A โ Download PDF
- Set B โ Download PDF
- Set C โ Download PDF
December 2016
- Set A โ Download PDF
- Set B โ Download PDF
- Set C โ Download PDF
2015 CSIR NET Chemical Science Question Papers
June 2015
- Set A โ Download PDF
- Set B โ Download PDF
- Set C โ Download PDF
December 2015
- Set A โ Download PDF
- Set B โ Download PDF
- Set C โ Download PDF
CSIR NET Chemical Science Question Paper Marking Schemeย
Understanding the CSIR NET Chemical Science marking scheme is essential for exam preparation. It helps candidates plan their attempts smartly, avoid negative marking, and maximize their score. The complete marking scheme is given below in a clean and easy format.
Also read – CSIR NET Application Form 2026 : Age Limit, Eligibility Criteria, Process, Fee, Exam Dates, Exam Centres
CSIR NET Chemical Science Marking Scheme Overview
| Section | Weightage | Marks for Correct Answer | Negative Marking |
| Part A | Included in total 200 marks | +2 marks | โ0.50 marks |
| Part B | Included in total 200 marks | +2 marks | โ0.50 marks |
| Part C | Included in total 200 marks | +4 marks | โ1 mark |
Points About the Marking Scheme
- The total paper is of 200 marks.
- Negative marking applies in all three parts.
- Part C carries the highest weightage, with +4 marks for each correct answer.
- Answering more questions than the allowed limit will not give extra marks; only the first valid attempts will be evaluated.
You can also check – CSIR NET Syllabus 2025 : Part A, B, C,ย Download Subject Wise Syllabus PDF
How to Download CSIR NET Chemical Science Previous Year Question Papers PDF?
To access the CSIR NET Chemical Science Previous Year Question Paper PDFs, candidates can use official as well as trusted educational platforms. The official question papers are available on the websites of the Council of Scientific and Industrial Research (CSIR) and the National Testing Agency (NTA).ย
Step-by-Step Process
Step 1: Visit the vedprep website and go to the CSIR NET Chemical Science section.
Step 2: Click on the Previous Year Papers option.
Step 3: Choose the year for which you want to download the question paper.
Step 4: Hit the Download PDF button to save the selected paper on your device.
Benefits of Solving CSIR NET Chemical Science Question Papers
Practicing with CSIR NET Chemical Science Previous Year Question Paper sets is one of the most effective strategies for boosting exam performance. These papers provide real exam experience, strengthen conceptual clarity, and help candidates understand the exact demand of the CSIR NET Chemical Science paper. Below are the major benefits:
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Better Understanding of the Syllabus
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- Solving previous papers helps candidates understand which parts of the CSIR NET Chemical Science syllabus are frequently tested and which topics carry higher weightage.
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Helps in Choosing the Right Books
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- By comparing book content with actual questions, aspirants can easily identify the best CSIR NET Chemical Science books for targeted preparation.
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Understand Cut-Off Trends
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- Attempting past papers helps in analysing the difficulty level and previous CSIR NET Chemistry cut-offs, giving clarity on the expected performance level.
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Identify Important & Repeated Topics
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- Regular practice highlights the topics that appear repeatedly, helping candidates focus on high-yield areas.
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Improves Speed, Accuracy & Time Management
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- Previous year papers offer real exam pressure, enabling candidates to build speed, improve accuracy, and manage time efficiently.
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Recognize Frequently Asked Question Types
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- Students can identify recurring question patterns and variations, which builds confidence and familiarity with the exam structure.
- You can also check – CSIR NET Syllabus 2025 : Part A, B, C,ย Download Subject Wise Syllabus PDF
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Strengthens Problem-Solving Skills
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- Mock tests based on earlier CSIR NET Chemical Science papers sharpen critical thinking and enhance problem-solving techniques.
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Understand Exam Difficulty Level
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- Attempting past papers gives a realistic idea of the toughness of the CSIR NET Chemical Science exam.
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Clear Understanding of Marking Scheme
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- Practicing papers along with answer keys helps candidates understand the marking pattern, negative marking, and scoring distribution.
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Wide Variety of Questions
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- Previous year papers offer diverse question types from different units, helping students master the overall syllabus.
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Supports Revision Through Short Notes
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- Solving past papers encourages the creation of quick notes, which are extremely helpful during the final revision phase.
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Identify Weak Areas
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- Reviewing scores and mistakes allows candidates to detect weak topics and work on them before the final exam.
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Develop Exam Strategies
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- Candidates learn how many questions to attempt, which section to prioritize, and how to maximize their score strategically.
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Boosts Confidence & Reduces Exam Anxiety
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- Regular practice with real exam papers reduces fear, builds confidence, and prepares candidates mentally for the actual test.
CSIR NET Model Question Paper
ย CSIR NET Model Question Paper is a practice set designed to closely replicate the actual examโs structure, question pattern, and difficulty level. These model papers help aspirants understand the exam format, marking scheme, and types of questions commonly asked. By solving these practice papers, candidates can assess their preparation level, identify weak areas, strengthen conceptual understanding, and improve time management skills for the real CSIR NET examination.
You can also check – CSIR NET Syllabus 2025 : Part A, B, C,ย Download Subject Wise Syllabus PDF
Commonly asked questionย
What is a CSIR NET Model Question Paper?
It is a practice test created to imitate the actual CSIR NET exam pattern, difficulty level, and marking scheme for effective preparation.
Why should I solve CSIR NET Model Question Papers?
They help improve accuracy, speed, time management, conceptual clarity, and confidence before the actual exam.
Are CSIR NET Model Papers helpful for all subjects?
Yes, model papers are beneficial for Chemical Science, Physical Science, Life Science, Earth Science, and Mathematical Science.
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Related Topicsย |
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| important topics for csir net Physical Science | important topics for csir net Life Science |
| important topics for csir net Chemistry | important topics for csir net Mathematicsย |
How to Analyze the CSIR NET Chemical Science Solved Question Papers?
To get the maximum benefit from each CSIR NET Chemical Science Previous Year Question Paper, candidates must follow a structured method of solving and analyzing the papers. Simply attempting the paper is not enoughโeffective analysis is what improves accuracy, time management, and overall score. Below are the best steps to evaluate your performance:
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Start by Reviewing the Complete Syllabus
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- Before you begin solving any paper, go through the entire CSIR NET Chemical Science syllabus. This helps you understand which units are more important and how the questions are distributed.
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Download All Previous Year Papers
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- Collect all available CSIR NET Chemical Science question papers from trusted sources. Start attempting them one by one without referring to books or notes.
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Solve the Paper Within the Official Time Limit
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- Set a timer and complete the paper within the exact exam duration. This builds real exam discipline, time management, and accuracy.
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Use the Official Answer Key to Evaluate Yourself
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- Once you finish solving the paper, download the CSIR NET Chemical Science answer key. Match your responses carefully and calculate your tentative score.
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Identify Your Strong and Weak Areas
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- After checking the answer key, mark the following clearly:
- Chapters you frequently get wrong
- Units where you score well
- Concepts you need to revise again
This step is crucial for targeted preparation.
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Practice More Questions From Weak Topics
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- Focus on solving extra problems from your weak areas. This will gradually improve your accuracy and confidence.
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Prepare Short Notes for Quick Revision
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- While analysing each CSIR NET Chemical Science Previous Year Question Paper, note down important formulas, concepts, and shortcuts. These notes act as powerful last-moment revision material.
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Revise Your Notes Daily
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- A quick daily revision of these short notes helps retain concepts and improves your ability to solve questions faster during the actual exam.
CSIR NET Chemical Science Reference Booksย
CSIR NET Chemical Science Reference Books provide knowledge, CSIR NET Chemical Science Previous Years Question Papers provide exam practice.
Physical Chemistry Books
| Topic | Book Title | Author(s) |
| Thermodynamics | Physical Chemistry | Thomas Engel & Philip Reid |
| Principles of Physical Chemistry | Puri, Sharma & Pathania | |
| A Textbook of Physical Chemistry (Vol-II) | K. L. Kapoor | |
| Chemical Kinetics & Catalysis | Chemical Kinetics and Catalysis | Richard Mishel |
| Chemical Kinetics | Keith J. Laidler | |
| A Textbook of Physical Chemistry (Vol-V) | K. L. Kapoor | |
| Electrochemistry | An Introduction to Electrochemistry | Samuel Glasstone |
| Electrochemistry | Philip H. Rieger | |
| A Book of Physical Chemistry (Vol-III) | K. L. Kapoor | |
| Quantum Chemistry | Quantum Chemistry through Problems & Solutions | R. K. Prasad |
| Quantum Chemistry | Donald A. McQuarrie | |
| Molecular Spectroscopy | Fundamentals of Molecular Spectroscopy | Colin N. Banwell |
| Physical Methods | Russell S. Drago | |
| Group Theory | Chemical Applications of Group Theory | F. Albert Cotton |
| Colloids & Surfaces | Surface Chemistry | A. Goel |
| Introduction to Surface Chemistry & Catalysis | Gabor A. Somorjai |


CSIR NET Chemical science Previous Years Question Papers FAQs
How useful are CSIR NET Chemical Science Previous Years Question Papers for preparation?
They provide real exam experience, reveal frequently asked topics, sharpen problem-solving, boost speed, accuracy, and help understand actual exam difficulty.
Where can I download CSIR NET Chemical Science Previous Year Question Papers PDF?
You can download official PDFs from NTA CSIR website, CSIR HRDG portal, along with trusted platforms offering year-wise Chemical Science papers.
What is the marking scheme of CSIR NET Chemical Science 2025?
The paper carries 200 marks. Part A and B offer +2 marks, Part C offers +4 marks. Negative marking is applied in all sections as per the official pattern.
Why should I solve CSIR NET Chemical Science papers before the exam?
Solving these papers helps identify repeated questions, important formulas, expected difficulty, improves timing, and builds confidence for the 2025 exam.
Do CSIR NET Chemical Science Previous Papers help identify high-weightage topics?
Yes, repeated practice reveals most-asked chapters, recurring concepts, unit-wise weightage, and sections that need focused preparation.



