Class 12 — Notes, Practice & Mock Tests

Class 12 on XamBaaz is a complete, free practice hub across 7 subjects — Mathematics, Physics, Chemistry, Biology, English, Computer Science and Artificial Intelligence. Every question is mapped to the latest NCERT syllabus, chapter by chapter, so you revise in the exact order your school teaches. In total there are 4,382 practice questions over 71 chapters, each split into Easy, Medium and Hard so you can lock in the fundamentals and then stretch toward competitive-exam command in the senior-secondary years.

Pick any subject below to open its chapters. Every chapter starts with free Key Concepts revision notes — a quick overview, the core ideas defined and the key formulas — followed by separately timed Easy, Medium and Hard quizzes with exam-grade marking and a one-line explanation for every question. It is built for CBSE & Maharashtra HSC Board exam preparation, and a head start on JEE Main, MHT-CET, JEE Advanced and NEET UG, and it is genuinely free to start: sign in with Google, with no card and no app to install.

Your accuracy, streaks and XP save automatically across every device, so a Class 12 student can revise on their phone between classes and resume exactly where they left off. Work through a subject's chapters, watch your per-chapter mastery climb, then unlock that subject's Mastery Test — a 30-question, 60-minute cross-syllabus mock with real exam-style marking.