With the CBSE syllabus for 2023 reduced by 30%, check out the Class 10 Deleted Syllabus 2023 in various subjects below. The Central Board of Secondary Education (CBSE) has announced the new syllabus for Class 10 students. Considering the students’ convenience and time constraints, the board has reduced the syllabus by 30%.
The board has also decided to decrease the examination weightage from 60% to 40%. However, the Class X Board Examination will be conducted on internal and external levels.
After the Central Board of Secondary Education (CBSE) underwent a syllabus revision for the academic sessions, it has now come to light that 30% of the syllabus has been removed. The removed portions pertain to various subjects now deemed “irrelevant” by the board. Look at what is now deleted from the CBSE Class 10 syllabus in various subjects.
The following subjects will have some of their content removed from the syllabus:
The specific topics that have been deleted will vary depending on the subject. However, some of the general topics that have been removed include:
Greetings! We are very glad to inform you that the syllabus for Class 10 has been modified. The syllabus is now available on our website (spinoneducation.com).
The deleted syllabus will not be assessed in the 2023 board exams. However, students are still expected to learn the material for internal assessments and for their overall understanding of the subject.
You may also download Deleted Syllabus of Class 10 Cbse by following the link below.
CBSE has reduced the variety of subjects in Science under several units, which will help the students to boost their studies and remove the burden of additional study.
Let us make the complete table below to get all the detailed information.
Unit  Topic Deleted/Reduced 
Unit I: Chemical Substances Nature and Behaviour  Metals and Nonmetals: Basic Metallurgical processes; Corrosion and its prevention Carbon and its Compounds: Nomenclature of carbon compounds containing functional groups, the difference between saturated and unsaturated hydrocarbons. Ethanol and Ethanoic acid (only properties and uses), soaps, and detergents. Chemical properties of carbon compounds (combustion, oxidation, and addition and substitution reaction). 
Unit II: World of Living  Control and coordination in animals and plants: Tropic movements in plants; Introduction of plant hormones; Control and coordination in animals: Nervous system; Voluntary, involuntary, and reflex action; Chemical coordination: animal hormones. Heredity and Evolution: Basic Concepts of evolution 
Unit III: Natural Phenomena  The Human Eye and the Colourful World: Functioning of a lens inHuman eye, defects of vision and their corrections, applications of spherical mirrors and lenses. 
Unit IV: Effects of Current  Magnetic Effects of Electric Current: Electric Generator, Direct current. Alternating current: frequency of AC. Advantage of AC over DC. Domestic electric circuits. 
Unit V: Natural Resources  Sources of energy: Different forms of energy, conventional and nonconventional sources of energy: Fossil fuels, solar energy; biogas; wind, water, and tidal energy; Nuclear energy. Renewable versus nonrenewable sources of Energy. 
DELETED PRACTICALS  1. Finding the pH of the following samples by using pH paper/universal indicator: dilute Hydrochloric AcidoDilute NaOH solution, dilute Ethanoic Acid solution, lemon juiceoWateroDilute Hydrogen Carbonate solution 2. Determination of the equivalent resistance of two resistors when connected in series and parallel. 3. Preparing a temporary mount of a leaf peel to show stomata. 4. Study of the following properties of acetic acid (ethanoic acid): oOdourosolubility in water effect on immunoreaction with Sodium Hydrogen Carbonate 5. Study the comparative cleaning capacity of a soap sample in soft and hard water. 6. Finding the image distance for varying object distances in the case of a convex lens and drawing corresponding ray diagrams to show the nature of the image formed. 7. Identification of the different parts of an embryo of a dicot seed (Pea, gram, or red kidney bean). 
Internal Assessment  Management of natural resources: Conservation and judicious use of natural resources. Forest and wildlife; Coal and Petroleum conservation. Examples of people’s participation in the conservation of natural resources. Big dams: advantages and limitations; alternatives, if any. Water harvesting. Sustainability of natural resources. 
Below we have shown many removed topics of Mathematics under multiple units. One needs to check the below table and grab all the deleted/reduced topics from the below table.
Unit  Topic Deleted/Reduced 
UNIT INUMBER SYSTEMS  
REAL NUMBERS  Euclid’s division lemma 
UNIT IIALGEBRA  
POLYNOMIALS  Statement and simple problems on division algorithm for polynomials with real coefficients. 
PAIR OF LINEAR EQUATIONS IN TWO VARIABLES  cross multiplication method 
QUADRATIC EQUATIONS  Situational problems based on equations reducible to quadratic equations 
ARITHMETIC PROGRESSIONS  Application in solving daily life problems based on the sum to n terms 
UNIT IIICOORDINATE GEOMETRY  
COORDINATE GEOMETRY  Area of a triangle 
UNIT IVGEOMETRY  
TRIANGLES  Proof of the following theorems is deleted The ratio of the areas of two similar triangles is equal to the ratio of the squares of their corresponding sides. In a triangle, if the square on one side is equal to the sum of the squares on the other two sides, the angle opposite to the first side is a right angle. 
CIRCLES  No deletion 
CONSTRUCTIONS  Construction of a triangle similar to a given triangle. 
UNIT V TRIGONOMETRY  
INTRODUCTION TO TRIGONOMETRY  Motivate the ratios, whichever are defined at 0o and 90o 
TRIGONOMETRIC IDENTITIES  Trigonometric ratios of complementary angles 
HEIGHTS AND DISTANCES  No deletion 
UNIT VIMENSURATION  
AREAS RELATED TO CIRCLES  Problems with the central angle of 120° 
SURFACE AREAS AND VOLUMES  Frustum of a cone 
UNIT VISTATISTICS & PROBABILITY  
STATISTICS  Step Deviation Method for finding the mean Cumulative Frequency graph 
PROBABILITY  No deletion 
Social Science is the study of society. It is the systematic analysis of society’s origin, development, organization, and functioning. The course of study is meant to develop an understanding of human society in all its dimensions, including social, cultural, political, and economic activities.
Follow the Below provided many removed topics of Social Science under multiple units. One needs to check the below table and grab all the deleted/reduced topics from the below table.
Unit  Topic Deleted/Reduced 
UNIT 1: INDIA AND THE CONTEMPORARY WORLD –II (HISTORY)  
Section 2: Livelihoods, Economies, and Societies  
NOTEANY ONE OUT OF THESE TWO CHAPTERS (CH3/CH4) Chapter 3: The Making of a Global World Chapter 4: The Age of Industrialisation 
The chosen Chapter will be assessed in the Periodic Tests and not in Board Examination. 
Section 3: Everyday Life, Culture, and Politics  
Chapter 5: Print Culture and the Modern World  Complete Chapter 
UNIT 2: CONTEMPORARY INDIA –II (GEOGRAPHY)  
Chapter 2: Forest and Wildlife  Complete Chapter 
Chapter 3: Water Resources  Complete the Chapter except for Map Items which will be assessed in the Examination 
Chapter 5: Mineral and Energy Resources  Complete the Chapter except for Map Items which will be assessed in the Examination 
UNIT 3: DEMOCRATIC POLITICS –II (POLITICAL SCIENCE)  
Chapter 3: Democracy and Diversity  Complete Chapter 
Chapter 4: Gender, Religion, and Caste  Complete Chapter 
Chapter 5: Popular Struggles and Movements  Complete Chapter 
Chapter 8: Challenges to Democracy  Complete Chapter 
Check all Deleted syllabi of English, Computer Science, and Hindi. Kindly visit Class 10 Deleted Syllabus 2023
Chapter  Topics removed 
UNIT INUMBER SYSTEMS  
REAL NUMBERS  Euclid’s division lemma 
UNIT IIALGEBRA  
POLYNOMIALS  Statement and simple problems on division algorithm for polynomials with real coefficients. 
PAIR OF LINEAR EQUATIONS IN TWO VARIABLES  cross multiplication method 
QUADRATIC EQUATIONS  Situational problems based on equations reducible to a quadratic equation 
ARITHMETIC PROGRESSIONS  Application in solving daily life problems based on a sum to n terms 
UNIT IIICOORDINATE GEOMETRY  
COORDINATE GEOMETRY  Area of a triangle. 
UNIT IVGEOMETRY  
TRIANGLES  Proof of the following theorems is deleted

CIRCLES  No deletion 
CONSTRUCTIONS  Construction of a triangle similar to a given triangle. 
UNIT V TRIGONOMETRY  
INTRODUCTION TO TRIGONOMETRY  motivate the ratios whichever are defined at 0o and 90o 
TRIGONOMETRIC IDENTITIES  Trigonometric ratios of complementary angles 
HEIGHTS AND DISTANCES  No deletion 
UNIT VIMENSURATION  
AREAS RELATED TO CIRCLES  Problems with the central angle of 120° 
SURFACE AREAS AND VOLUMES  Frustum of a cone. 
UNIT VISTATISTICS & PROBABILITY  
STATISTICS  Step Deviation Method for finding the mean cumulative Frequency graph 
PROBABILITY  No deletion 
Class 10 Maths Deleted Syllabus 20232024: Check List of Deleted Chapterwise Topics! CBSE Class 10 Maths syllabus 202324 has been changed by the Central Board of Secondary Education (CBSE) and shortened by 30%.
Class 10 CBSE 202324 Removed Syllabus of Mathematics Real Numbers – Euclid’s Division Lemma, Coordinate Geometry – Area of a Triangle, Triangles – Proof of Some Theorems, Constructions – Entire Chapter Removed, Trigonometric Identities – Trigonometric of Supplementary Angles Ratio.
The Central Board of Secondary Education (CBSE) has revealed a list of subjects and their syllabus for the 2023 academic sessions.
The 10th board examination will continue in English, Hindi, and the mother tongue. The reduced syllabus will give students more time to focus on their main subjects.
Above, we have provided Class 10 Deleted Syllabus 2023 so one can check the Deleted Syllabus of Class 10 CBSE 2023.