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Free, original, step-by-step NCERT Solutions for Class 10 Science, matching the current 2026-27 CBSE syllabus.
Each chapter below is solved question by question, in the order it appears in the textbook, so you can follow along page by page instead of jumping between sites. Click a chapter's Solutions link for the full worked answers, Extra Questions for additional practice beyond the textbook, and Revision Notes for a quick summary before a test.
📚 Formulas Handbook (all chapters)
Chapter 1: Chemical Reactions and Equations – Free PDF Download
Chemical Reactions and Equations is the opening chapter of Class 10 Science and one of the most exam-tested chapters in the whole book — nearly every board paper includes at least one balancing, reaction-identification, or corrosion/rancidity question from it. Here are complete, worked answers to the core exercise-s...
Chapter 2: Acids, Bases and Salts – Free PDF Download
Acids, Bases and Salts is one of the most exam-heavy chapters in the current 2026-27 CBSE Class 10 Science syllabus, mixing conceptual reasoning with reaction-writing. Below are complete, verified solutions to the end-of-chapter exercise. These Class 10 Science Chapter 2 solutions are also useful as quick revision n...
Solutions | Extra Questions | Revision Notes
Chapter 3: Metals and Non-metals – Free PDF Download
Metals and Non-metals is one of the most reaction-heavy chapters in the current 2026-27 CBSE Class 10 Science syllabus, testing both conceptual understanding of the reactivity series and the ability to write balanced equations. Below are complete, original, step-by-step solutions to the end-of-chapter exercise. Thes...
Solutions | Extra Questions | Revision Notes
Chapter 4: Carbon and its Compounds – Free PDF Download
Carbon and its Compounds is a concept-heavy organic chemistry chapter in the current 2026-27 CBSE Class 10 Science syllabus. Below are complete, verified solutions to the end-of-chapter exercise. These Class 10 Science Chapter 4 solutions are also useful as quick revision notes before exams. Q1. Ethane, with the mol...
Solutions | Extra Questions | Revision Notes
Chapter 5: Life Processes – Free PDF Download
Chapter 5 — Life Processes covers nutrition, respiration, transportation and excretion in the current 2026-27 CBSE Class 10 Science syllabus (this chapter shifted from Chapter 6 to Chapter 5 after the 2023 rationalisation, when Periodic Classification of Elements (previously Chapter 5) was removed from the syllabus ...
Solutions | Extra Questions | Revision Notes
Chapter 6: Control and Coordination – Free PDF Download
Chapter 6 — Control and Coordination covers how the nervous system and hormones let organisms sense and respond to their environment. Below are complete, original answers to all 12 end-of-chapter exercise questions from the current 2026-27 NCERT textbook. These Class 10 Science Chapter 6 solutions are also useful as...
Solutions | Extra Questions | Revision Notes
Chapter 7: How do Organisms Reproduce?
Reproduction is the biological process that lets a species continue across generations even though it isn't essential for any single organism's own survival. Chapter 7 covers both asexual and sexual reproduction, human reproductive anatomy, and contraception — a regularly-tested chapter in the board exam. These Clas...
Solutions | Extra Questions | Revision Notes
Chapter 8: Heredity – Free PDF Download
Chapter 8 of Class 10 Science covers Heredity -- how traits pass from parents to offspring. Under the 2023 curriculum rationalisation, the Evolution portion of the earlier combined "Heredity" chapter was removed from the CBSE syllabus, and the chapter was renumbered and retitled simply Heredity. The solutions below ...
Solutions | Extra Questions | Revision Notes
Chapter 9: Light - Reflection and Refraction – Free PDF Download
Chapter 9 of Class 10 Science covers spherical mirrors, refraction, lenses, and the mirror/lens formulas used to locate and characterise images. Several third-party sites still label this "Chapter 10" (the pre-2023 numbering) -- in the current rationalised syllabus it is Chapter 9. This chapter is heavily numerical,...
Solutions | Extra Questions | Revision Notes
Chapter 10: The Human Eye and the Colourful World
Class 10 Science Chapter 10, The Human Eye and the Colourful World, has 17 end-of-chapter exercise questions in the current 2026-27 rationalised session (this is Chapter 10 in the current rationalised numbering; it was Chapter 11 before Periodic Classification of Elements was removed from the syllabus in 2023 — conf...
Solutions | Extra Questions | Revision Notes
Chapter 11: Electricity
Electricity is one of the most numerically-intensive chapters in Class 10 Science and consistently one of the highest-weightage chapters in the board exam (around 12% of the Science paper). Unlike many other Physics chapters, nearly every exercise question here is a calculation, so a solid grip on Ohm's law, series/...
Solutions | Extra Questions | Revision Notes
Chapter 12: Magnetic Effects of Electric Current
Class 10 Science Chapter 12, Magnetic Effects of Electric Current, has a single consolidated end-of-chapter exercise (18 questions) in the current 2023-rationalised, 2026-27 session syllabus. Below are original, concept-based solutions to all 18. These Class 10 Science Chapter 12 solutions are also useful as quick r...
Solutions | Extra Questions | Revision Notes
Chapter 13: Our Environment – Free PDF Download
Our Environment is the closing chapter of Class 10 Science and the current, correct Chapter 13 in the 2023-rationalised, 2026-27 session NCERT textbook — it was Chapter 15 in the pre-2023 book. It covers ecosystems, food chains and food webs, the ozone layer, and how we manage the waste we generate. Below are comple...
Solutions | Extra Questions | Revision Notes
| Chapter | NCERT Solutions | Revision Notes | Extra Questions (HOTS) |
|---|---|---|---|
| Ch 1: Chemical Reactions and Equations – Free PDF Download | Solutions | — | — |
| Ch 2: Acids, Bases and Salts – Free PDF Download | Solutions | Revision Notes | Extra Questions |
| Ch 3: Metals and Non-metals – Free PDF Download | Solutions | Revision Notes | Extra Questions |
| Ch 4: Carbon and its Compounds – Free PDF Download | Solutions | Revision Notes | Extra Questions |
| Ch 5: Life Processes – Free PDF Download | Solutions | Revision Notes | Extra Questions |
| Ch 6: Control and Coordination – Free PDF Download | Solutions | Revision Notes | Extra Questions |
| Ch 7: How do Organisms Reproduce? | Solutions | Revision Notes | Extra Questions |
| Ch 8: Heredity – Free PDF Download | Solutions | Revision Notes | Extra Questions |
| Ch 9: Light - Reflection and Refraction – Free PDF Download | Solutions | Revision Notes | Extra Questions |
| Ch 10: The Human Eye and the Colourful World | Solutions | Revision Notes | Extra Questions |
| Ch 11: Electricity | Solutions | Revision Notes | Extra Questions |
| Ch 12: Magnetic Effects of Electric Current | Solutions | Revision Notes | Extra Questions |
| Ch 13: Our Environment – Free PDF Download | Solutions | Revision Notes | Extra Questions |
Also see the Class 10 NCERT Books catalog for the official textbook PDF.
Frequently Asked Questions
Are these Class 10 Science solutions updated for the 2026-27 syllabus?
Yes, every chapter listed above is checked against the current NCERT Science textbook for the 2026-27 CBSE session.
Do you also have Extra Questions and Revision Notes for Class 10 Science?
Yes — wherever published, Extra Questions and/or Revision Notes are linked next to the matching chapter above.
Are these Class 10 Science NCERT Solutions available in Hindi medium?
Hindi-medium solutions for Class 10 Science are being added progressively. In the meantime, this English-medium solution can be used alongside your Hindi-medium NCERT textbook, since the questions and chapter numbering are identical.