Free PDF Worksheets & Study Material Download
No signup required — instant download for Classes 9, 10, 11 & 12
Browse chapter-wise notes, topic assignments, practice tests and revision worksheets for CBSE Classes 9 to 12 — plus JEE and NEET preparation material. All PDFs are completely free to download with no account required. Subjects covered include Physics, Chemistry, Mathematics and Biology. Use the filters below to browse by class, subject and material type.
36 PDFs found
Hydrocarbons Test 2 — CBSE Pattern (90 min, 40 marks)
Second full paper with different questions, same 40-mark / 90-minute blueprint. Includes answer key.
Hydrocarbons · Hydrocarbons
Hydrocarbons Test 1 — CBSE Pattern (90 min, 40 marks)
Full board-pattern test: Section A (MCQ/VSA 1M × 10), Section B (2M × 4), Section C (3M × 4), Section D (5M × 2) = 40 marks. Time: 90 minutes. Includes answer key.
Hydrocarbons · Hydrocarbons
Hydrocarbons Assignment 1 — Topic-wise Questions
Covers all six topics: alkanes (structure and preparation); reactions of alkanes; alkenes (unsaturation and preparation); addition reactions of alkenes; alkynes; and aromatic hydrocarbons (benzene). Arranged topic by topic.
Hydrocarbons · Hydrocarbons
Hydrocarbons Assignment 2 — Challenge + Integrated Problems
Higher-difficulty set with multi-step problems (preparations, Markovnikov addition, free radical mechanism, alkyne acidity, aromaticity, electrophilic substitution) and full worked answers. Includes an answer key.
Hydrocarbons · Hydrocarbons
Organic Chemistry Test 2 — CBSE Pattern (90 min, 40 marks)
Second full paper with different questions, same 40-mark / 90-minute blueprint. Includes answer key.
Organic Chemistry: Basic Principles · Organic Chemistry: Basic Principles
Organic Chemistry Test 1 — CBSE Pattern (90 min, 40 marks)
Full board-pattern test: Section A (MCQ/VSA 1M × 10), Section B (2M × 4), Section C (3M × 4), Section D (5M × 2) = 40 marks. Time: 90 minutes. Includes answer key.
Organic Chemistry: Basic Principles · Organic Chemistry: Basic Principles
Organic Chemistry Assignment 2 — Challenge + Integrated Problems
Higher-difficulty set with multi-step problems (IUPAC naming, identifying functional groups, isomer counting, hybridisation, electron displacement effects, reactive intermediates, reaction classification) and full worked answers. Includes an answer key.
Organic Chemistry: Basic Principles · Organic Chemistry: Basic Principles
Organic Chemistry Assignment 1 — Topic-wise Questions
Covers all seven topics: why carbon (tetravalency and catenation); IUPAC nomenclature; functional groups; isomerism; hybridisation and bonding in organic molecules; electron displacement effects; and reactive intermediates and types of reactions. Arranged topic by topic.
Organic Chemistry: Basic Principles · Organic Chemistry: Basic Principles
Redox Reactions Test 1 — CBSE Pattern (90 min, 40 marks)
Full board-pattern test: Section A (MCQ/VSA 1M × 10), Section B (2M × 4), Section C (3M × 4), Section D (5M × 2) = 40 marks. Time: 90 minutes. Includes answer key.
Redox Reactions · Redox Reactions
Redox Reactions Test 2 — CBSE Pattern (90 min, 40 marks)
Second full paper with different questions, same 40-mark / 90-minute blueprint. Includes answer key.
Redox Reactions · Redox Reactions
Redox Reactions Assignment 2 — Challenge + Integrated Problems
Higher-difficulty set with multi-step problems (oxidation-number calculations, balancing by both methods, classifying redox reactions, cell emf, Nernst equation, ΔG° and equilibrium constant) and full worked answers. Includes an answer key.
Redox Reactions · Redox Reactions
Redox Reactions Assignment 1 — Topic-wise Questions
Covers all seven topics: oxidation and reduction; oxidation number and its rules; balancing redox equations by the oxidation-number method; the ion-electron (half-reaction) method; types of redox reactions; electrochemical cells and electrode potentials; and the Nernst equation and Gibbs energy. Arranged topic by topic.
Redox Reactions · Redox Reactions
Class 9 & 10 — Free CBSE PDFs
Download free worksheets for CBSE Class 9 and Class 10 covering all major topics — real numbers, triangles, acids and bases, matter, motion, and more. Each PDF is exam-ready with solved examples and practice questions aligned to the latest CBSE pattern. No registration needed.
Browse Class 9 PDFs →Class 11 & 12 — Notes & Assignments PDF
Senior secondary students can download free Physics, Chemistry and Maths notes PDF for Class 11 and Class 12 — covering topics from kinematics and thermodynamics to organic chemistry, calculus and probability. Ideal for CBSE boards, JEE Main and NEET.
Browse Class 11 PDFs →Free Practice Tests & Mock Papers PDF
Download free CBSE and JEE practice test papers as PDFs — topic-wise tests and full-length mock papers written by experienced faculty. Check your preparation, identify weak areas and track improvement. All test papers are free to download and print.
Browse Practice Tests →Frequently Asked Questions — Free PDF Worksheet Download
Do I need to sign up to download the PDF worksheets?
No. Every PDF on this page is available as a free, instant download with no account or signup required. Click the download icon on any card and the PDF opens immediately.
Are these worksheets free for CBSE students?
Yes — completely free. All notes, assignments and practice tests are created by the teachers at Narayan Gurukul Academy and shared at no charge for CBSE Classes 9 to 12.
Which subjects are covered?
We currently publish PDFs for Physics, Chemistry, Mathematics and Biology, including chapter-wise notes, topic assignments and full mock-test papers aligned to CBSE, JEE and NEET syllabi.
How often is new material added?
New worksheets and notes are uploaded every few weeks as the academic year progresses. Use the Class and Subject filters to find the latest additions for your course.
Can I print the downloaded worksheets?
Yes. All PDFs are printer-friendly. Open the file in any PDF reader and print directly — no watermarks or restrictions.