CBSE Class X Board CBSE Class 10 Notes 2026

CBSE Class 10 Notes for Science, Maths, and English are included in the article. Chapter-wise notes are provided to help students prepare for board exams. The weightage of marks for each chapter is also defined for students to strategize their preparation for board exams. This article also contains the Class 10 syllabus and NCERT Solutions for Class 10 Science, Maths, and English.

Class 10 Syllabus Science 2022-23

The table below contains the chapters included in the CBSE class 10 science syllabus:

Class 10 Science Notes

CBSE Class 10 Notes in a chapter-wise manner for Class 10 science are given below:

Chapter 1 - Chemical Reactions and Equations

Expected weightage - 5 Marks

The important topics included in Class 10 Science Notes Chapter 1 are – 

• Chemical Reactions
• Balanced Chemical Equations
• Decomposition Reaction
• Rancidity
• Chemical Equations
• Displacement Reaction
• Oxidation and Reduction

Additional Resources:

Chapter 2 - Acids, Bases, and Salts

Expected weightage - 3 Marks

Here are some important topics included in the chapter:

• Importance of pH in everyday life
• Difference Between Acid and Base
• Properties of Bases
• Base Meaning
• Weak Base
• List of Strong Acids
• Difference Between Baking Soda and Baking Powder
• Calculate ph of weak acid

Additional Resources:

Chapter 3 - Metals and Non-Metals

Expected weightage - 7 Marks

The important topics from the chapter are as follows:

• Physical Properties of Metals and Non-Metals
• Non-Metals
• Occurrence of Metals
• Difference Between Rust and Corrosion
• Refining of Metals
• Metals and Non-Metals Formula

Additional Resources:

Chapter 4 - Carbon and Its Compounds

Expected weightage - 5 Marks

The important topics covered in Class 10 Notes from the chapter Carbon and its Compounds are as follows:

• Versatile Nature of Carbon
• Soaps and Detergents
• Combustion Reaction
• Difference Between Soap and Detergent
• Tetravalency of Carbon
• Chemical Properties of Carbon Compounds

Additional Resources:

Chapter 5 - Periodic Classification of Elements (Omitted)

The Class 10 Notes for Chapter 5 in Science are as follows:

• Periodic Classification of Elements
• First 20 Elements of Periodic Table
• Electromeric Effect
• Newlands’ Law of Octaves

Additional Resources:

Note:Chapter 5 Periodic Classification of Elements is no longer included in the Board Examination syllabus for 2022 - 2023.

Chapter 6 - Life Processes

Expected weightage - 7 Marks

The important topics from the chapter Life Processes of Class 10 Notes are as follows:

• Autotrophic Nutrition
• Heterotrophic Nutrition
• Nutrition in Human Beings
• Transportation in Plants
• Transportation in Human Beings
• Excretion in Plants
• Excretion in Human Beings

Additional Resources:

Chapter 7 - Control and Coordination

Expected weightage - 5 Marks

The important topics from the chapter are as follows:

• Tropism in Plants
• Movement Due to Growth in Plants
• Types of Reflexes

Additional Resources: 

Chapter 8 - How do Organisms Reproduce?

Expected weightage - 10 Marks

The important topics from How do Organisms Reproduce – Class 10 Notes are as follows:

• Fragmentation
• Regeneration
• Sexual Reproduction
• Female Reproductive System
• Tissue Culture
• Sexual and Asexual Reproduction
• Reproductive Health

Additional Resources:

Chapter 9 - Heredity and Evolution

Expected weightage - 3 Marks

Some important topics from the chapter Heredity and Evolution are:

• Heredity
• Sex Determination
• Dominant Traits

Additional Resources:

Chapter 10 - Light - Reflection and Refraction

Expected weightage  - 7 Marks

Some important topics from Class 10 Notes Chapter 10 are given below:

• Difference Between Reflection and Refraction
• Refraction
• Total Internal Reflection
• Refraction at Spherical Surfaces
• Refraction through a Prism
• Dispersion of Light by Prism
• Refractive Index 
• White Light

Additional Resources:

Chapter 11 - Human Eye and Colourful World

Expected weightage - 5 Marks

Some important topics from the Human Eye and Colourful World chapter are given below:

• Human Eye
• Myopia
• Hypermetropia

Additional Resources:

Chapter 12 - Electricity

Expected weightage - 8 Marks

Some important topics from the chapter Electricity of Class 10 Notes are given below:

• Electric Current and Circuit
• Ohm’s Law
• Resistance
• Resistivity of Materials
• Difference between resistance and resistivity
• Difference between voltage and current
• Difference between watts and volts
• Resistors in Series
• Difference between ammeter and galvanometer
• Difference between series and parallel circuits
• Resistors in Parallel
• Heating Effect of Electric Current

Additional Resources:

Chapter 13 - Magnetic Effects of Electric Current

Expected weightage - 5 Marks

Some important topics from the chapter Magnetic Effects of Electric Current are given below:

• Fleming’s Left Hand Rule
• Magnetic Fields and Field Lines
• Difference between ac and dc generator
• Difference between ac and dc motor
• Electric Generator

Additional Resources:

Chapter 14 - Sources of Energy (Omitted)

Some important topics from the Class 10 Notes Chapter 14 are given below:

• Renewable Energy
• Non-Renewable Energy
• Energy source exhaustion
• Conventional and nonconventional sources of energy
• Difference Between Nuclear Fission and Nuclear Fusion
• Energy resources environmental impacts
• Non-Conventional Source of Energy

Additional Resources: 

Note: Class 10 Chapter 14 Sources of Energy is not included in the Class 10 Science 2022-2023 Board Examination syllabus.

Chapter 15 - Our Environment

Expected weightage - 3 Marks

Some important topics from the chapter Our Environment are given below:

• Components of Ecosystem
• Biodegradable and Non-Biodegradable Substances
• Difference between food chain and food web
• Ozone Layer Depletion

Additional Resources: 

Chapter 16 - Management of Natural Resources (Omitted)

Some important topics from the Class 10 Notes Management of Natural Resources are given below:

• Natural Resource Management
• What is Groundwater?

Additional Resources:

Note: Management of Natural Resources is not included in the Board Examination syllabus for the 2022-2023 session.

Class 10 Maths Syllabus

The table below contains the chapters included in the CBSE class 10 maths syllabus:

Class 10 Maths Notes

CBSE Class 10 Notes for Maths are as given below:

Chapter 1 - Real Numbers

Some important concepts of the chapter are given below:

• Real Numbers Formula
• Root 2 is an Irrational Number
• Euclid’s Division Lemma
• Fundamental Theorem of Arithmetic

Additional Resources: 

Expected weightage - 6 Marks

Chapter 2 - Polynomials

Some important concepts of Class 10 Notes Polynomials are given below:

• Remainder Theorem
• Degree of Polynomial
• Zeros of Polynomial
• Vietas formula
• Roots of Polynomials
• Relation between zeros and coefficients

Additional Resources:

Expected weightage - 7 Marks

Chapter 3 - Pair of Linear Equations in Two Variables

Some important concepts of the chapter are given below:

• Graphs, Elimination and Substitution Methods
• Graph of a Linear Equation in Two Variables

Additional Resources:

Expected weightage - 7 Marks

Chapter 4 - Quadratic Equations

Some important concepts of the chapter are given below:

• Nature of Roots of Quadratic Equations
• Discriminant Formula for a Quadratic Equation

Additional Resources: 

Chapter 5 - Arithmetic Progressions

Some important concepts of Class 10 Notes Chapter 5 are given below:

• Introduction to Arithmetic Progressions
• Arithmetic Progression General Form and Summation

Additional Resources:

Expected weightage - 1 Mark

Chapter 6 - Triangles

Some important concepts of the chapter are given below:

• Pythagoras Theorem
• Congruence of Triangles
• Cevas theorem
• Basic Proportionality Theorem
• Triangle Theorems

Additional Resources:

Expected weightage - 8 Marks

Chapter 7 - Coordinate Geometry

Some important concepts of Class 10 Notes Coordinate Geometry chapter are given below:

• Section Formula in Coordinate Geometry
• Distance Formula and Derivation of Coordinate Geometry
• Centroid of a Triangle
• Point of intersection formula
• Midpoint Formula

Additional Resources:

Expected weightage - 6 Marks

Chapter 8 - Introduction to Trigonometry

Some important concepts of the chapter are given below:

• Trigonometric Identities
• Trigonometric Ratios
• Trigonometry Table
• Introduction to Trigonometry Formula
• Cosec Cot Formula

Additional Resources:

Expected weightage - 4 Marks

Chapter 9 - Some Applications of Trigonometry

Some important concepts of the chapter are given below:

• Heights and Distances
• Angle of Depression

Additional Resources:

Expected weightage - 8 Marks

Chapter 10 - Circles

Some important concepts of the Class 10 Notes Circles chapter are given below:

• Tangent to a Circle
• Annulus
• Semicircles
• Chord of Circle
• Cyclic Quadrilateral

Additional Resources:

Expected weightage - 4 Marks

Chapter 11 - Constructions (Omitted)

Some important concepts of the chapter are given below:

• Constructions
• Construction Formula

Additional Resources: 

Note: Chapter 11 - Constructions is no longer included in Class 10 maths syllabus.

Chapter 12 - Areas Related to Circles

Some important concepts of the Class 10 Notes for this chapter are given below:

• Areas Related to Circles Formula
• Radius of a circle
• Cardioid
• Area of Segment of a Circle

Additional Resources:

Expected weightage - 4 Marks

Chapter 13 - Surface Areas and Volumes

Some important concepts of the chapter are given below:

• Surface Area of a Cuboid
• Sphere Formula
• Volume of a Pyramid
• Surface Area of Cylinder
• Area of Hollow Cylinder
• Surface area of a triangular prism formula
• Surface Area of Cone
• Surface Area of a Cylinder

Additional Resources:

Expected weightage - 6 Marks

Chapter 14 - Statistics

Some important concepts of the Class 10 Notes Statistics are given below:

• Mode of Grouped Data
• Mean of Grouped Data
• Mean Formula
• Confidence Interval

Additional Resources:

Expected weightage - 10 Marks

Chapter 15 - Probability

Some important concepts of the chapter are given below:

• Probability Impossible Events
• Events in Probability
• Geometric Probability
• Theoretical Probability

Additional Resources:

Expected weightage - 1 Mark

Class 10 English NCERT Solutions

CBSE Class 10 Notes for chapter-wise NCERT Solutions for Class 10 English are as given below – 

Students can also access CBSE Class 10th Sample Papers for better preparation for board exams.

Important Links for Class 10 Syllabus and Exam Pattern:

Sample Papers for Class 10:

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