CISCE ICSE Class 10 Chemistry Syllabus - Free PDF Download
CISCE Syllabus 2025-26 ICSE Class 10 : The CISCE ICSE Class 10 Chemistry Syllabus for the examination year 2025-26 has been released by the Council for the Indian School Certificate Examinations, CISCE. The board will hold the final examination at the end of the year following the annual assessment scheme, which has led to the release of the syllabus. The 2025-26 CISCE ICSE Class 10 Chemistry Board Exam will entirely be based on the most recent syllabus. Therefore, students must thoroughly understand the new CISCE syllabus to prepare for their annual exam properly.
The detailed CISCE ICSE Class 10 Chemistry Syllabus for 2025-26 is below.
Academic year:
CISCE ICSE Class 10 Chemistry Revised Syllabus
CISCE ICSE Class 10 Chemistry and their Unit wise marks distribution
CISCE ICSE Class 10 Chemistry Course Structure 2025-26 With Marking Scheme
| # | Unit/Topic | Weightage |
|---|---|---|
| I | Periodic Table, Periodic Properties and Variations of Properties | |
| II | Chemical Bonding | |
| III | Study of Acids, Bases and Salts | |
| IV | Analytical Chemistry | |
| V | Mole Concept and Stoichiometry | |
| VI | Electrolysis | |
| VII | Metallurgy | |
| VIII | Study of Compounds | |
| 8.1 | Hydrogen Chloride | |
| 8.2 | Ammonia | |
| 8.3 | Nitric Acid | |
| 8.4 | Sulphuric Acid | |
| IX | Organic Chemistry | |
| X | Practical Work | |
| Total | - |
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Syllabus
CISCE ICSE Class 10 Chemistry Syllabus for Chapter 1: Periodic Table, Periodic Properties and Variations of Properties
- History of Periodic Table: Early Attempts at the Classification of Elements
- Dobereiner’s Triads
- Introduction
- Limitations
- Newland's Law of Octaves
- Introduction
- Limitations
- Mendeleev’s Periodic Table
- Introduction
- Structure and Property
- The Modern Periodic Table
- Periodic Properties
- Introduction
- Periodic Trends
- Shells (Orbits)
- Valency
- Valency Rules and Formula Formation
- Valency and Electronic Configuration
- Types and Trends in Valency
- Methods to Determine the Valency of an Element
- Atomic Radius Or Atomic Size
- Introduction
- Periodic Trends in Atomic Size
- Metallic and Non-metallic Characters
- Ionisation Potential (Ionisation Energy)
- Electron Affinity
- Electronegativity
- Chemical Reactivity
- Atomic Number (Z), Mass Number (A), and Number of Neutrons (n)
- Atomic number or Nuclear charge
- Nucleons
- Mass number
- Relationship between atomic number and mass number
- Representation of element
- Number of Neutrons (n)
- Atomic Mass
- Introduction of Atomic Mass
- Properties of Mass Number
- Determination of Relative Atomic Mass
- Study of Specific Groups in Periodic Table
- Group I (Alkali Metals)
- Group VIIA Or Group 17 (The Halogens)
CISCE ICSE Class 10 Chemistry Syllabus for Chapter 2: Chemical Bonding
- Chemical Bond
- Introduction
- Kossel-Lewis Approach to Chemical Bonds
- Lewis Dot Structure
- Types of Chemical Bond
- Ionic or Electrovalent Bond
- Ionic bond or Electrovalent bond
- Mechanism of formation of ionic bond
- Lattice enthalpy
- Factors affecting the formation of an ionic bond
i) Low ionization enthalpy
ii) High negative electron gain enthalpy
iii) Large lattice enthalpy - Characteristics of ionic or electrovalent compounds
- Difference between ionic bond and covalent bond
- Covalent character in ionic bond
- Fajan's rules
- The Covalent Bond
- Introduction of Covalent Bond
- Formation of Covalent Bonds
- Properties of Covalent Compounds
- Types of Covalent Bond
- Types of Covalent Bond
- Single Covalent Bond
- Double Covalent Bond
- Triple Bond
- Formation of Covalent Bond
- Formation of Covalent Bond:
- Hydrogen molecule (Non-polar compound)
- Chlorine molecule (Non-polar compound)
- Oxygen molecule (non-polar compound)
- Nitrogen molecule (Non-polar compound)
- Hydrogen chloride (polar compound)
- Water molecule (polar compound)
- Ammonia molecule (polar compound)
- Carbon tetrachloride molecule (Non-polar compound)
- Methane molecule (Non-polar compound)
- Properties and Comparison of Electrovalent and Covalent Compounds
- Effect of Electricity on Electrovalent and Covalent Compounds
- Coordinate Bond
- Coordinate Bond
- Characteristics of coordinate covalent compounds
- Formation of Coordinate Bond
- Conditions for the formation of coordinate bond
- Formation of coordinate bond
- Formation of H3O+ ion and lone pair effect of oxygen atom
- Formation of Ammonium ion (NH4+) and Lone Pair Effect of Nitrogen Atom
- Formation of hydroxyl ion (OH-)
CISCE ICSE Class 10 Chemistry Syllabus for Chapter 3: Study of Acids, Bases and Salts
- Acids
- Definition
- Introduction of Acid
- Types of acid based on the source
- Types of acid based on the presence of oxygen
- Types of acid based on the strength of the acid
- Types of acid based on its concentration
- Types of acid based on the basicity of the acid
- Classification of Acids
- Classification of Acids
- Depending on their sources
(a) Organic acids
(b) Inorganic acids (mineral acids) - Depending on their basicity
(a) Monobasic acids
(b) Dibasic acids
(c) Tribasic acids
- Preparation of Acids
- Preparation of Acids
- By synthesis
- By the action of water on non-metallic or acidic oxides
- By the oxidation of non-metals
- By displacement
- Properties of Acids
- Uses of Acids
- Bases (Alkalis)
- Introduction of Base
- Types of bases based on acidity
- Types of bases based on therir concentration in aqueous solution
- Types of bases based on their degree of ionisation
- Classification of Bases (Alkalis)
- Classification of Bases (alkalis)
- Based on Ionisation
(a) A strong alkali
(b) A weak alkali - On the basis of their basicity
(a) Monoacidic base
(b) Diacidic base
(c) Triacidic base - Based on concentration
(a) Concentrated Alkali
(b) Dilute Alkali
- Preparation of Bases
- Preparation of Bases
- From metals
- By the action of water on reactive metals
- By the action of water on soluble metallic oxides
- By double decomposition
- By the action of oxygen on metal sulphides
- By decomposition of salts
- Properties of Bases (Alkalis)
- Uses of Bases
- Making of natural indicator
- Experiment: 1
- Experiment: 2
- Experiment: 3
- Strength of Acidic or Basic Solutions
- pH Scale
- Importance of pH in Everyday Life
- Salts
- Introduction of Salts
- Family of Salts
- pH Value of a Salt
- Classification of Salts
- Experiment
- Classification of Salts
- Methods of Preparation of Soluble Salts
- Methods of preparation of soluble salts
- Direct combination
- Simple Displacement
- Decomposition
- Neutralization
- Preparation of Insoluble Salts
- Preparation of Insoluble Salts
- By the direct combination
- By the combination of an acidic oxide with a basic oxide
- By the precipitation reaction
- Laboratory Preparation of Some Salts
- Laboratory Preparation of Iron (III) Chloride
- Laboratory Preparation of Zinc Sulphate Crystals from Zinc and Sulphuric Acid
- Laboratory Preparation of Lead Chloride and Calcium Carbonate
- Laboratory Preparation of an Acid Salt Sodium Bicarbonate
- Neutralisation
- Laboratory Preparation of Copper (II) Sulphate (Or Blue Vitriol)
- Laboratory Preparation of Sodium Sulphate Crystals
- Properties of Salts
CISCE ICSE Class 10 Chemistry Syllabus for Chapter 4: Analytical Chemistry
- Analytical Chemistry
- Colours of the Salts and Their Solutions
- Action of Sodium Hydroxide Solution on Certain Metallic Salt Solutions
- Action of Ammonium Hydroxide on Certain Salt Solutions
- Action of Alkalis on Certain Metals
- Action of Alkalis on Metal Oxides
CISCE ICSE Class 10 Chemistry Syllabus for Chapter 5: Mole Concept and Stoichiometry
- The Gas Laws
- The Gas Laws
- Standard variables for gas laws
- The volume (V)
- The pressure (P)
- The temperature (T)
- Fundamental Laws of Gases
- Pressure and Volume Relationship or Bolye's Law
- Boyle's law
- Mathematical expression of Boyle's law
- Graphical verification of Boyle's law
- Explanation of Boyle's law in terms of molecular motion (kinetic theory).
- Significance of Boyle's Law
- Experiment of Pressure and Volume relationship in gases
- Temperature - Volume Relationship or Charles's Law
- Charle's Law
- Mathematical expression of Charles's Law
- Graphical representation of Charle's law
- Significance of Charle's Law
- Gay Lussac’s Law of Combining Volumes
- Gay-Lussac’s law
- Numericals based on Gay-Lussac's Law
- Avogadro’s Law
- Avogadro’s law
- Avogadro's Law explains Gay-Lussac's Law
- Avogadro's Law predicts the atomicity of gases
- Avogadro's law helps to determine the molecular formula of a gaseous compound
- Examples based on Avogadro's Law
- Avogadro Hypothesis
- Pressure and Volume Relationship or Bolye's Law
- Gas Equation
- Standard Temperature Pressure (S.T.P.)
- Absolute Zero
- Atomic Mass
- Introduction of Atomic Mass
- Properties of Mass Number
- Determination of Relative Atomic Mass
- Molecular Mass
- Mole Concept
- Concept of Mole
- Quantities Related on Mole Concept and Their Formula
- Experiment
- Relationship Between Vapour Density and Relative Molecular Mass
- Relative molecular mass (Hydrogen scale)
- Vapour Density
- Percentage Composition, Empirical and Molecular Formula
- Percentage composition
- Chemical formula
1) Empirical formula
2) Molecular formula - Steps involved in determining the empirical formula
- Steps for determination of the molecular formula of a compound
- Empirical Formula of a Compound
- Determination of Empirical Formula
- Determination of Molecular Formula
- Chemical Equation
- Introduction
- Writing a Chemical Equation
- Experiment
- Balancing Chemical Equation
- Introduction
- Steps to Balance a Chemical Equation (Hit-and-Trial Method)
- Numerical Problems of Chemical Equation
- Problems based on reacting weights
- Problems based on the mass-volume relationship
CISCE ICSE Class 10 Chemistry Syllabus for Chapter 6: Electrolysis
- Electrolysis
- Introduction
- Experiment
- Electrolytes
- Nonelectrolyte
- Electrochemical Cells
- Electrochemical reactions
- Electrodes
- Types of electrochemical cells
- Galvanic cell
- Electrolytic cells
- Electrodes
- Electrodes
- Types of electrodes
- Metal-metal ions electrode
- Metal-sparingly soluble salt electrode
- Gas electrode (non metal-non metal ion electrode)
- Redox electrode
- Oxidation, Reduction and Redox Reactions
- Oxidation
- Reduction
- Redox Reactions (Reduction + Oxidation)
- Oxidising & Reducing Agents
- Arrhenius Theory of Electrolytic Dissociation
- Electrochemical Series
- Preferential Or Selective Discharge of Ions at Electrodes
- Examples of Electrolysis
- Electrolysis of Molten Lead Bromid
- Electrolysis of Acidified Water Using Platinum Electrodes
- Electrolysis of Copper Sulphate Solution Using Platinum Anode and Copper Or Platinum Cathode
- Electrolysis of Aqueous Copper Sulphate - Using Copper Electrodes
- Applications of Electrolysis
CISCE ICSE Class 10 Chemistry Syllabus for Chapter 7: Metallurgy
- Types of Element: Metals
- Introduction
- General Properties of Metals
- Experiment
- Types of Element: Non-metal
- Introduction
- General Properties of Non-Metals
- Mineral Resources
- Ores
- Metallurgy
- Introduction
- Metallurgical Process
- Extraction of Reactive Metals
- Types of Separation or Concentration of an Ore
- Pulverization
- Concentration of an ore
- Types of separation or concentration of an ore
- Hydraulic (gravity separation) method or Levigation method
- Magnetic separation method
- Froth floatation
- Chemical method or Leaching
- Wilfley table method
- Conversion of Concentrated Ore to Its Oxide
- Conversion of concentrated ore to its oxide
- Roasting
- Calcination
- Comparison of Roasting and Calcination
- Reactivity Series of Metals
- Reduction of Metal Oxides to Metals
- Refining of Metals
- Electrolytic Refining: Purification of Metals
- Electrolytic Refining of Copper
- Corrosion of Metals
- Corrosion
- Experiment
- Rusting Process and Corrosion Effect
- Prevention of Corrosion
- Coating with a Protective Layer
- Metal Plating (Galvanization, Tinning, Electroplating)
- Anodization (Formation of Oxide Layer)
- Alloying (Corrosion-Resistant Alloys)
- Metallurgy of Aluminium
- Aluminium
- Physical Properties of Aluminium
- Chemical Properties of Aluminium
- Uses of Aluminium
- Extraction of Aluminium
- Refining of Aluminium
- Hoope's electrolytic process
- Alloy
- Introduction
- Types of Alloy
- Advantages of Alloy
- Making Alloys
- Purpose of making alloys
- Reasons for alloying
- Method of making alloys
- Some Common Alloys
- Aluminium: Composition, Properties, and Uses of aluminium
- Iron: Composition, Properties, and Uses of Iron
- Zinc and Copper: Composition, Properties, and Uses of Zinc and Copper
- Lead: Composition, Properties, and Uses of Lead
CISCE ICSE Class 10 Chemistry Syllabus for Chapter 8: Study of Compounds
8.1 Hydrogen Chloride
- Hydrogen Chloride
- Hydrogen chloride
- Structure of Hydrogen chloride
- Molecular formula of Hydrogen chloride
- Molecular mass of Hydrogen chloride
- Occurrence of Hydrogen chloride
- General Preparation of Hydrogen Chloride Gas
- By synthesis (Direct combination)
- By heating metallic chloride with cone. sulphuric acid
- Laboratory Preparation of Hydrogen Chloride Gas
- Preparation of hydrogen chloride gas from common salt.
- Purification of HCI gas
- Physical Properties of Hydrogen Chloride Gas
- Physical Properties of Hydrogen Chloride Gas
- Experiment to demonstrate density: To show that HCl gas is heavier than air.
- Experiment to demonstrate high solubility: To show that HCl gas is highly soluble. (Fountain Experiment)
- Chemical Properties of Hydrogen Chloride Gas
- Chemical properties of hydrogen chloride gas:
- Combustibility
- Thermal dissociation
- With metals
- Reaction with ammonia
- Hydrochloric Acid
- Hydrochloric Acid
- Importance of Hydrochloric Acid
- Laboratory Method of Preparation of Hydrochloric Acid
- Properties of Hydrochloric Acid
- Physical properties of Hydrochloric Acid
- Chemical properties of Hydrochloric Acid
- Nature
- Action on metals
- Action on oxides and hydroxides
- With salts of weaker acids
- Precipitation reaction
- Uses of Hydrochloric Acid
- Uses of Hydrochloric Acid
- General uses
- Industrial uses
- Medicine
- Tests for Hydrogen Chloride and Hydrochloric Acid
8.2 Ammonia
- Ammonia
- Ammonia
- Occurrence of ammonia
- Structure of ammonia
- Molecular formula of ammonia
- Relative molecular mass of ammonia
- Forms of ammonia
- Gaseous ammonia
- Liquid ammonia
- Liquor ammonia fortis
- Laboratory bench reagent
- General Methods of Preparation of Ammonia Gas
- Preparation of ammonia gas by warming an ammonium salt with a caustic alkali, such as slaked lime or caustic soda, or caustic potash.
- Laboratory Preparation of Ammonia Gas
- Preparation of ammonia from ammonium chloride and calcium hydroxide.
- Preparation of ammonia from magnesium nitride.
- Preparation of Aqueous Ammonia
- Manufacture of Ammonia (Haber's Process)
- Physical Properties of Ammonia
- Physical Properties of Ammonia
- Fountain experiment: To demonstrate the high solubility of ammonia gas in water.
- Chemical Properties of Ammonia
- Chemical Properties of Ammonia
- Thermal dissociation
- Basic properties
- Burning of ammonia in oxygen
- Catalytic oxidation of ammonia
- Ammonia as a reducing agent
(i) Reduction of metallic oxides
(ii) Reduction of chlorine to hydrogen chloride - Reaction with acids
- Reaction of aqueous solution of ammonia with soluble metal salts
- Tests for Ammonia Gas and Ammonium Ion
- Uses of Ammonia
8.3 Nitric Acid
- Nitric Acid
- Nitric acid
- Molecular formula of Nitric acid
- Relative molecular mass
- Nitric acid structure
- Formation of nitric acid in atmosphere
- Laboratory Preparation of Nitric Acid
- Manufacture of Nitric Acid
- Manufacture of Nitric Acid
- Catalytic oxidation of ammonia
- Oxidation of nitric oxide in an oxidation chamber
- Absorption of nitrogen dioxide in water
- Concentration of nitric acid
- Physical Properties of Nitric Acid
- Chemical Properties of Nitric Acid
- Uses of Nitric Acid
- Tests for Nitric Acid and Nitrates
- Effects of Heat on Nitrates
8.4 Sulphuric Acid
- Sulphuric Acid
- Sulphuric Acid
- Molecular formula of sulphuric acid
- Relative molecular mass of sulphuric acid
- Structure of sulphuric acid
- Preparation of Sulphuric Acid
- Preparation of Sulphuric Acid
- By oxidation of an aqueous solution of sulphur dioxide with oxygen, chlorine, or bromine.
- Sulphur with cone. nitric acid
- Manufacture of Sulphuric Acid (Constant Process)
- Physical Properties of Sulphuric Acid
- Chemical Properties of Sulphuric Acid
- Chemical Properties of Sulphuric Acid
- Properties of dilute sulphuric acid
- Properties of concentrated sulphuric acid
- Uses of Sulphuric Acid
- Tests for Sulphuric Acid and Sulphates
CISCE ICSE Class 10 Chemistry Syllabus for Chapter 9: Organic Chemistry
- Carbon: a Versatile Element
- Introduction
- Occurrence of Carbon
- Characteristics of Carbon
- Classification of Compounds of Carbon
- Organic Compounds of Carbon
- Inorganic Compounds of Carbon
- Comparison between organic and inorganic compounds
- Organic Compounds
- Organic compound
- Sources of organic compounds
- Characteristics of Organic compound
- Types of organic Compound
- Special Features of Carbon
- Catenation
- Tetravalency
- Multiple Bonds
- Isomerism
- Allotropy
- Crystalline forms of Carbon
- Non-crystalline / Amorphous forms
- Organic Compounds in Daily Life
- Hydrocarbons
- Introduction
- Properties of Covalent Compounds
- Saturated Hydrocarbons
- Unsaturated Hydrocarbons
- Classification of Organic Compounds Based on the Pattern of Carbon Chain
- Acyclic or Open chain compounds
- Saturated
- Unsaturated
- Cyclic Compounds
- Alicyclic compounds
- Aromatic compounds
- Classification of Organic Compound Based on the Kind of Atoms
- Hydrocarbons
- Alkanes
- Alkenes
- Alkynes
- Chemical Tests to distinguish between Alkanes, Alkenes, and Alkynes
- Homologous Series of Carbon Compound
- Homologous Series in Organic Chemistry
- Examples of Homologous Series
- Nomenclature of Organic Compounds
- Common Naming System
- IUPAC Nomenclature
- IUPAC Nomenclature of Hydrocarbons
- IUPAC Nomenclature of other classes
- Alkyl Group
- Functional Groups in Carbon Compounds
- Functional Groups
- Types of Functional Groups
- Role of Functional Groups in Organic Chemistry
- Isomers
- Isomers
- Types of isomerism
- Structural Isomerism
(a) Chain Isomerism
(b) Position isomerism
(c) Functional isomerism
(d) Metamerism - Stereo isomerism or space isomerism (Geometrical isomerism)
- Hydrocarbons: Alkanes
- Alkenes
- Occurrence
- Isomers in alkenes
- Methane
- Introduction
- Properties of Methane
- Uses of Methane
- Laboratory Preparation of Methane
- Ethane
- Ethane
- Occurrence of Ethane
- Physical Properties of Ethane
- Chemical Properties of Ethane
- Uses of Ethane
- Laboratory Preparation of Ethane
- Hydrocarbons: Alkenes
- Alkenes
- Occurrence
- Isomers in alkenes
- Ethene (Ethylene)
- Ethene (Ethylene)
- Structure of Ethene (Ethylene)
- Physical Properties of Ethene (Ethylene)
- Chemical Properties of Ethene (Ethylene)
- Uses of Ethene
- Preparation of Ethene (Ethylene)
- Hydrocarbons: Alkynes
- Alkynes
- Sources of alkynes
- Isomers of alkynes
- Ethyne
- Ethyne
- Structure of ethyne
- Physical properties of ethyne
- Chemical Properties of ethyne
- Uses of ethyne
- Laboratory Preparation of Ethyne
- Alcohol
- Alcohols
- Homologous series of alcohols
- Ethanol
- Physical Properties
- Chemical Properties
- Uses and Significance
- Experiment
- Laboratory Preparation of Ethanol
- Carboxylic Acids
- Ethanoic Acid
- Physical Properties
- Chemical Properties
- Experiment 1
- Experiment 2
- Experiment 3
- Uses and Significance
CISCE ICSE Class 10 Chemistry Syllabus for Chapter 10: Practical Work
- Laboratory Preparation of Hydrogen
- Laboratory Preparation of Oxygen
- Laboratory Preparation of Carbon Dioxide
- Laboratory Preparation of Chlorine
- Laboratory Preparation of Hydrogen Chloride Gas
- Preparation of hydrogen chloride gas from common salt.
- Purification of HCI gas
- Laboratory Preparation of Sulphur Dioxide
- Laboratory Preparation of Hydrogen Sulphide
- Laboratory Preparation of Ammonia Gas
- Preparation of ammonia from ammonium chloride and calcium hydroxide.
- Preparation of ammonia from magnesium nitride.
- Laboratory Preparation of Water Vapour
- Laboratory Preparation of Nitrogen Dioxide
- Action of Heat on a Given Substance
- Action of heat on Copper carbonate (Green solid)
- Action of heat on Zinc carbonate (White solid)
- Action of heat on Washing soda (White crystals)
- Action of heat on Copper sulphate (Blue crystals)
- Action of heat on Zinc nitrate (White solid)
- Action of heat on Copper nitrate (Green solid)
- Action of heat on Lead nitrate (White solid)
- Action of heat on Ammonium chloride (White solid)
- Action of heat on Iodine Violet solid
- Action of heat on Ammonium dichromate (Orange solid)
- Action of Dilute Sulphuric Acid on a Given Substance
- The action of dilute sulphuric acid on magnesium.
- The action of dilute sulphuric acid on Zinc.
- The action of dilute sulphuric acid on Sodium carbonate
- The action of dilute sulphuric acid on Sodium bicarbonate.
- The action of dilute sulphuric acid on Iron(II) sulfide
- The action of dilute sulphuric acid on sodium sulfate
- The action of dilute sulphuric acid on Potassium sulfite
- Dry Test
- Recognition of Substances by Colour
- Recognition of Substances by Odour
- Recognition of Substances by Physical State
- Table of solubility of salts and bases in water
- Recognition of Substances by Action of Heat
- Identification of solids by the action of heat:
- Ammonium salt
- PbO2, Pb3O4, HgO, KNO3, NaNO3
- Carbonate and bicarbonate (except K2CO3 and Na2CO3)
- Hydrated salt
- Sulphite or sulphate
- Lead compounds decompose to give lead monoxide; PbO
- Zinc compounds decompose on heating to give zinc oxide
- Copper compound decomposes to give black copper oxide CuO.
- Some naturally occurring acids:
- Acetic acid
- Citric acid
- Butyric acid
- Hydrochloric acid
- Formic acid
- Lactic acid
- Malic acid
- Oleic acid
- Stearic acid
- Tartaric acid
- Uric acid
- Flame Test
- Strength of Acidic or Basic Solutions
- pH Scale
- Importance of pH in Everyday Life
- Indicators
- Introduction of Indicator
- Types of Indicators
- Concept of pH scale
- Reactions
- Experiment: 1
- Experiment: 2
- Identification of Ions
- Identification of Cations
- Identification of cations by the action of alkalies
- Identification of Anions
- Identification of anions by adding dilute sulphuric acid
- Identification of anions by adding concentrated sulphuric acid
- Test for sulphate ion
- General Identification of Anions
- Identification of Cations
- Distinction Between Colourless Solutions of Dilute Acids and Alkalis
- Distinguish Between Black Copper Oxide and Black Manganese Dioxide
