NIOS Chemistry (Class 12) – 2025 Complete Guide
Master atoms, reactions, organic chemistry & real-world applications — science of life.
NIOS Chemistry Book Class 12 (Course 313) – Complete 2025 Student Guide
Chemistry is a bridge that connects science to life. Every molecular interaction we encounter, from the air that we breathe to our medicines, is governed by chemistry.
The NIOS Chemistry Book Class 12(Course 313) allows learners to explore these fundamental concepts through an application-oriented, easy-to-understand curriculum.
The National Institute of Open Schooling designed this course to provide a strong conceptual basis in physical and organo-chemical chemistry, while connecting theory with daily life. Students learn about how atoms are combined, how reactions happen, and how chemical power drives the physical universe.
The NIOS Books are available for Class 12 in Hindi and English, to cater to all students. Each chapter contains solved examples and exercises that enhance understanding.
Unnati Education provides a professionally developed version of the NIOS Class 12 Chemistry Book in PDF format. This version isn't freely available online. It has been designed by experts in order to provide clear explanations and accurate problem-solving techniques, as well as an integrated question-answer section aligned with the 2025 NIOS syllabus.
Quick Course Overview
| Course Title | Chemistry |
|---|---|
| Course Code | 313 |
| You can also find out more about Level | Senior Secondary (12th class) |
| The medium-sized apprehension | English & Hindi |
| Syllabus Year | 2025 Revised Version |
| Duration | Flexible Learning - 1 Academic Year |
| Mode of study | Online Distance Learning |
| Eligibility | Class 10 Pass or its Equivalent |
| The Right to Certification | Recognition by NIOS Ministry of Education, Govt. India |
The NIOS Chemistry curriculum provides a comprehensive understanding of theoretical concepts and their real-world applications--essential for careers in science, medicine, engineering, and research.
NIOS Chemistry book Class 12 (Course 313)
The NIOS Chemistry Book Class 12 Course 313 focuses primarily on developing a thorough understanding of chemical laws, atomic structures, reactions, and practical laboratory ideas. The course progresses systematically, starting with the fundamental concepts of molecules and atoms.
Each module is a mixture of theory and numerical problems. It also includes examples from everyday life. Students not only learn how reactions happen, but also why. They can then use scientific reasoning to explain the cause of those reactions instead of just memorizing.
This book is great for:
- Students interested in science or medical streams
- Students preparing to take the NIOS Board Exams by 2025
- Candidates who plan to study chemistry, pharmacy, or engineering at a higher level
- Who is curious about the chemical reactions that shape everyday products?
The NIOS Books for Class 12 Chemistry were designed to make Science engaging and accessible with visual diagrams and tables.
Key Highlights by 2025
- Curriculum Updated to 2025 NIOS Curriculum
Includes updated modules, including reaction mechanisms, based upon the most recent academic framework - Concept-Based Learning
Instead of memorizing, focus on understanding; develop analytical and problem-solving abilities - Dual Medium Accessibility
This product is available in both English and Hindi to provide greater accessibility - Integration of Theoretical and Applied Knowledge
Includes practical activities as well as conceptual experiments to help you learn more - Structure based on Exams
Aligns to NIOS question formats and TMAs - Self-Paced Flexibility
The NIOS Chemistry Book Class 12 is available in PDF form, so students can access it from anywhere - Professionally Developed and Paid Version
Unnati Education includes expertly designed chapter content, complete questions and answers, and an exam guide for best results
Topics covered
The NIOS Chemistry module is divided into eight modules. Each module is designed to build on knowledge progressively.
| CHEMISTRY 313 | Module / Topic |
|---|---|
| Module–I: Some Basic Concepts of Chemistry | 1. Atoms, Molecules and Chemical Arithmetic |
| Module–II: Atomicфу Atomic Structure and Chemical Bonding | 2. Atomic Structure 3. Periodic Table and Periodicity in Properties 4. Chemical Bonding |
| Module–III: States of Matter | 5. The Gaseous State and Liquid State 6. The Solid State 7. Solutions 8. Colloids |
| Module–IV: Chemical Energetics | 9. Chemical Thermodynamics 10. Spontaneity of Chemical Reactions |
| Module–V: Chemical Dynamics | 11. Chemical Equilibrium 12. Ionic Equilibrium 13. Electrochemistry 14. Chemical Kinetics 15. Adsorption and Catalysis |
| Module–VI: Chemistry of Elements | 16. Occurrence and Extraction of Metals 17. Hydrogen and s-Block Elements 18. General Characteristics of the p-Block Elements 19. p-Block Elements and Their Compounds – I 20. p-Block Elements and Their Compounds – II 21. d-Block and f-Block Elements 22. Coordination Compounds |
| Module–VII: Chemistry of Organic Compounds | 23. Nomenclature and General Principles 24. Hydrocarbons 25. Compounds of Carbon Containing Halogens (Haloalkanes and Haloarenes) 26. Alcohols, Phenols and Ethers 27. Aldehydes, Ketones and Carboxylic Acids 28. Compounds of Carbon Containing Nitrogen 29. Biomolecules |
| Module–VIII: Chemistry in Everyday Life | 30. Drugs and Medicines 31. Soaps, Detergents and Polymers 32. Environmental Chemistry |
How to Download a PDF
The NIOS Chemistry Book Class 12 PDF (Course 313) developed by Unnati Education is a paid, comprehensive version--professionally formatted, error-free, and aligned with the official syllabus.
You can access the book in three easy steps:
- Unnati Education is a website that you can visit
- You can contact us by clicking "View answer" or on the WhatsApp button
- Mention "NIOS Chemistry Book Course 313, Class 12"
- Choose between the PDF version and the printed copy
- Complete your payment securely
- Your study materials will be delivered within 24-48 hours
Why Unnati Version:
- Written by an expert and regularly updated
- With exercises and final questions
- Prepared-to-study format for exams and assignments
- Available in both Hindi and English medium
How to Study Chemistry Effectively
- Before memorizing, understand the principles behind each chapter
- Use Visual Aids. For better retention, draw structures, molecular forms, and reaction mechanisms
- Revise Regularly: Chemistry requires repetition--especially for equations and reaction sequences
- Use Numerical Exercises to Practice: Chapters on Thermodynamics (including equilibrium) and Electrochemistry (including electrochemistry) require a strong numerical practice
- Relationship with Real Life: To connect theory to daily life, observe chemical reactions in your environment (rusting or cooking)
- Unnati offers a variety of mock tests, including past exams and model question papers
Career Options After Studying Chemistry (Course 313)
Chemistry provides a solid foundation for a variety of career paths in science, healthcare, and technology.
Higher Education:
- B.Sc. B.Sc
- B. Tech in Chemical Engineering
- Pharmacy (B.Pharm
- Medical Entrance Preparation
- Agricultural and Food Science Studies
Career Opportunities:
- Chemist/Laboratory Analyst - Work in testing and research laboratories
- Pharmacologist/Drug developer - Engaged in medical and healthcare innovation
- Chemical Engineers - apply principles in the manufacturing, energy, environmental, and other sectors
- Forensic Experts: Analyze chemical specimens for investigation
- Teacher or researcher - Study academics and advanced research
- Environmental Scientist – Study pollution control, sustainable chemistry, and other environmental issues
The study of chemistry provides students with the analytical, problem-solving, and observational skills that are valued in any technical career.
Unnati Education: What are the Benefits?
Unnati Education, India's leading provider of academic and NIOS guidance. Our materials are designed to make difficult subjects like chemistry easier.
What We Offer:
- Updated NIOS Books For Class 12 Biology (2025 Edition)
- High-quality PDF Versions and Printed Versions
- Assignment and TMA support
- Topical video lectures and online classes
- 24-Hour WhatsApp Support
- Regular Mock tests and Evaluation
Why Students prefer Unnati:
We only use original content.
Teachers who have experience in NIOS exams create all the material.
We are focused on results and provide regular mentoring.
With our assistance, thousands of students passed the NIOS Board Exams.
FAQs
Q1. What is NIOS Chemistry Book Course 313 (Class 12)?
The official NIOS course is designed for senior secondary students and covers physical, inorganic, and organic chemistry.
Q2. Does it come in PDF format?
Yes. Unnati Education sells the NIOS Chemistry Book (2025 Edition) in PDF form. It is a paid and structured version.
Q3. Do you offer Hindi medium books?
Yes. The NIOS Books of Class 12 Chemistry can be purchased in Hindi and English.
Q4. Is the service free?
No. Unnati Education has a version developed by experts that ensures accurate and high-quality study material.
Q5. Do TMAs or exercises include?
Unnati Edition includes complete preparation for the assignments and terminal exam.
Q6. How can I download this?
Instant support is available by clicking "View answer" on our website or messaging us via WhatsApp on +91 9899436384.
Q7. Who can benefit from the course?
Students preparing to take the NIOS board exam, science aspirants, or NEET candidates. Anyone who wants a good foundation in chemistry.
📞 Contact Unnati Education
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📱 +91 9899436384
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Master the logic of molecules and reactions with Unnati Education’s NIOS Chemistry Book Class 12 (Course 313).
Your path to higher studies, competitive exams, and scientific excellence begins here.

