CBSE Class 12 Deleted Syllabus 2025-26

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Physics Deleted Topics

Chapter	Deleted Topics
Electric Charges and Fields	Activity with paper strips and making electroscope Concept of earthing Charging by Induction Exercises 1.13, 1.25–1.34
Electrostatic Potential and Capacitance	Derivation of Energy Stored in a Capacitor Exercises 2.12 to 2.36
Current Electricity	Carbon resistors, Colour code for carbon resistors Combinations of Resistors – Series and Parallel Meter Bridge Potentiometer applications Exercises 3.3, 3.4, 3.10, 3.12, 3.14–3.23
Moving Charges and Magnetism	Velocity Selector Cyclotron The Toroid The Magnetic Dipole Moment of a Revolving Electron Exercises 4.14–4.28
Magnetism and Matter	Mathematical treatment of Bar Magnet as Solenoid Mathematical treatment of Dipole in Uniform Magnetic Field Earth's Magnetism (Magnetic Declination and Dip) Curie's Law and Curie's temperature Hysteresis Permanent Magnets and Electromagnets Exercises 5.1, 5.2, 5.9–5.11, 5.13–5.25

Note: These topics have been removed from the CBSE Class 12 Physics syllabus for the 2025-26 academic year and will not be included in board examinations.

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Chemistry Deleted Topics

Unit/Chapter	Status
Unit 1: The Solid State	Full Chapter Deleted
Unit 5: Surface Chemistry	Full Chapter Deleted
Unit 6: General Principles and Processes of Isolation of Elements	Full Chapter Deleted
Unit 7: The p-Block Elements	Full Chapter Deleted
Cyanides and Isocyanides	Topic Deleted
Unit 15: Polymers	Full Chapter Deleted
Unit 16: Chemistry in Everyday Life	Full Chapter Deleted

Note: Organic Compounds containing Nitrogen has been renamed to Amines (Unit 9).

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Mathematics Deleted Topics

Chapter	Deleted Topics
Relations and Functions	Composite functions, Inverse of a function
Inverse Trigonometric Functions	Elementary properties of inverse trigonometric functions
Matrices	Elementary row and column operations
Determinants	Properties of determinants
Continuity and Differentiability	Derivative of composite function, Rolle's and Lagrange's Mean Value Theorems
Applications of Derivatives	Tangents and normals, Use of derivatives in approximation
Integrals	Definite integrals as a limit of a sum
Applications of Integrals	Area between two curves
Vectors	Scalar triple product of vectors
Three-dimensional Geometry	Coplanar lines, Cartesian and vector equation of a plane, Angles and distances
Linear Programming	Different types of L.P. problems, Mathematical formulation
Probability	Variance of random variable

Preparation Tip: Focus your studies on the remaining topics. Use official CBSE sample papers for practice.

Based on CBSE and NCERT updates for 2025-26 academic session

Always verify with official CBSE circulars for any last-minute changes

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