CISCE ICSE Class 9 Chemistry Syllabus - Free PDF Download
CISCE Syllabus 2026-27 ICSE Class 9: The CISCE ICSE Class 9 Chemistry Syllabus for the examination year 2026-27 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 2026-27 CISCE ICSE Class 9 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 9 Chemistry Syllabus for 2026-27 is below.
Academic year:
CISCE ICSE Class 9 Chemistry Revised Syllabus
CISCE ICSE Class 9 Chemistry Course Structure 2026-27 With Marking Scheme
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Syllabus
1 The Language of Chemistry
- Matter (Substance)
- Experiment 1
- Experiment 2
- Experiment 3
- Experiment 4
- Substance (Matter)
- Physical Nature of matter
- Chemical properties
- Molecules
- Molecule
- Properties of molecule
- Pure Substances
- Pure substance
- Characteristics of Pure substance
- Examples of Pure Substance
- Elements
- Experiment
- Elements
- Classification of Molecules
- Symbols Used to Represent Atoms of Different Elements
- Periodic Trends in the Modern Periodic Table
- Definition: Periodic Trends
- Definition: valency
- Variable Valency
- Ions (Radicals) and Its Types
- Radicals
- Formation of Radicals
- Types of Radicals
- Chemical Formula or Molecular Formula
- Chemical formulae of compounds : A recapitulation
- Naming Chemical Compounds
- Shells and Valency
- Definition: Orbits
- Definition: Valency
- Chemical Equations
- Definition: Chemical Equation
- Key Points: Chemical Equations
- Balancing Chemical Equation
- Key Points: Balancing Chemical Equations
- Atomic Mass
- Introduction of Atomic Mass
- Properties of Mass Number
- Determination of Relative Atomic Mass
- Molecular Mass
- 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
- Definition: Empirical Formula
- Definition: Empirical Formula Mass
- Hydrogen
- Hydrogen
- Discovery of Hydrogen
- Occurrence of Hydrogen
2 Chemical Changes and Reactions
- Chemical Reaction
- Definition: Chemical Change
- Definition: Reactants
- Definition: Products
- Conditions Necessary for Chemical Reactions
- How will you know that a chemical change has taken place?
- Close contact
- Attraction in the physical state of the reactants (through the solution)
- Heat energy
- Light energy
- Electricity
- Pressure
- Catalysts: Positive catalyst and Negative catalyst
- Types of Chemical Reactions > Combination Reaction
- Definition: Combination Reaction
- Chemical Equations: Combination Reaction
- Key Points: Combination Reaction
- Types of Chemical Reactions > Decomposition Reaction
- Definition: Decomposition Reaction
- Definition: Thermal Decomposition
- Key Points: Decomposition Reaction
- Types of Chemical Reactions > Single Displacement Reaction
- Definition: Single Displacement Reaction
- Key Points: Single Displacement Reactions
- Types of Chemical Reactions > Double Displacement Reaction
- Definition: Double Displacement Reaction
- Endothermic and Exothermic Processes
- Definition: Endothermic Process
- Definition: Exothermic Process
- Definition: Endothermic Reaction
- Definition: Exothermic Reaction
3 Water
- Water: Our Lifeline
- Introduction
- Importance of Water for Sustaining Life
- Physical Properties of Water
- Physical Properties of Water:
- Nature
- Boiling point
- The freezing point of water or melting point of ice
- Density
- Anomalous expansion of water
- Latent heat of fusion of ice
- Latent heat of vaporization of water
- Specific heat capacity
- Chemical Properties of Water
- Chemical properties
- Dissociation of water
- Amphoteric nature
- Oxidising and reducing nature
- Hydrolytic reactions
- Formation of hydrates with metal salts
- Water - a Universal Solvent
- Universal Solvent
- Experiment: To show that ordinary tap water contains dissolved solids.
- Importance of dissolved salts in water.
- Air dissolved in water.
- Experiment: To show that tap water contains dissolved gases (air).
- Importance of air dissolved in water.
- Solutions as 'Mixtures' of Solids in Water
- Homogeneous mixture
- Solution
- Solute
- Solvent
- Binary solution
- Ternary solutions
- Quaternary solutions
- Homogeneous solution
- Solid solution
- True solution
- Characteristics of a true solution
- Composition of a Solution
- Mass Percentage or Percentage by Mass (w/w) and Volume Percentage or Percentage by Volume (v/v)
- Grams Per Litre (g/L) and Molarity (M)
- Formality (F) and Molality (m)
- Normality (N) and Mole Fraction (χ)
- Parts per Million (ppm)
- Examples
- Types of Solutions
- Saturated Solutions
- What is a Saturated Solution?
- How to Prepare a Saturated Solution?
- Factors affecting the Point of Saturation
- Effect of cooling and heating of Saturation
- Everyday Examples of Saturated Solution
- Concentration of a Solution
- Reactions in solutions
- Mass percentage
- Mole fraction
- Molarity
- Molality
- Volume percentage
- Solubility
- Solubility
- Factors affecting solubility
- Nature of the solute and solvent
- Effect of Temperature
- Effect of Pressure
- Solubility curves can be used
- Determination of the solubility of a solute at a particular temperature
- Effect of pressure and temperature on solubility of gases in water (liquids)
- Crystals and Crystallisation
- Crystals
- Crystallisation
- Experiment: To prepare large crystals of copper sulphate.
- Hydrated and Anhydrous Substances
- Efflorescence, Hygroscopic, and Deliquescence Substances
- Efflorescence
- Deliquescence
- Hygroscopy
- Drying and Dehydrous Substances
- Classification of water: Soft and Hard Water
- Soft and Hard water
- Types of Hard water
- Temporary Hardness
- Permanent Hardness
- Causes of Hardness
- Advantage and Disadvantage of Hard Water
- Removal of Hardness of Water
- Softening of water
- Removal of temporary hardness
a) By boiling
b) Clark's method - Removal of permanent hardness
a) By washing soda method
b) lon-exchange/Permutit method
c) Calgon method
d) Synthetic resins method
⇒ Ion exchange resins are of two types
i) Cation exchange resins
ii) Anion exchange resins
- Degree of hardness of water
- Salts
- Definition: Salt
4 Atomic Structure and Chemical Bonding
- Concept of Chemical Bonding
- Definition: Chemical Bond
- History of Atom
- Dalton’s Atomic Theory
- Introduction
- Dalton’s Atomic Theory
- Merits and Demerits
- Activity
- Elements
- Experiment
- Elements
- Atoms: Building Blocks of Matter
- Introduction of Atom
- Discovery of Charged Particles and the Structure of an Atom
- Discovery of Charged Particles in Matter
- Cathode Ray Tube (CRT) experiment
- Electrons (e)
- Electrons
- Discovery of Electrons
- Properties of Cathode rays
- Charge to Mass Ratio of Electron
- Charge on the Electron
- Protons (p)
- Protons
- Discovery of Protons
- Properties of Anode rays
- Nucleus
- Discovery of Nucleus
- Deflection of α-particle by a gold leaf
- Neutrons (n)
- Neutrons
- Discovery of Neutrons
- Properties of Neutrons
- J. J. Thomson’s Atomic Model
- Discovery of Electrons
- Thomson’s Plum Pudding Model of the Atom
- Merits and Demerits
- Lord Rutherford’s Atomic model
- Introduction
- Rutherford’s Nuclear atomic model
- Merits and Demerits
- Neils Bohr’s Model of an Atom
- Introduction
- Bohr’s stable orbit atomic model
- Merits and Demerits
- Structure of the Atom and Nucleus
- Origin
- Structure of an Atom
- Structure of Nucleus
- Atomic Number
- Mass Number
- 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
- Electronic Configuration of Atom
- Periodic Trends in the Modern Periodic Table
- Definition: Periodic Trends
- Definition: valency
- Reason for Chemical Activity of an Atom
- Isotopes
- Definition: Isotopes
- Examples
- Ionic or Electrovalent Bond
- Definition: Ion
- Definition: Cation
- Definition: Anion
- Definition: Electropositive Element
- Definition: Electronegative Element
- Definition: Electrovalent Bond
- Definition: Electrovalent (or Ionic) Compounds
- Definition: Electrovalency
- The Covalent Bond
- Definition: Covalent Compound
- Definition: Covalent Molecule
- Key Points: The Covalent Bond
- Types of Covalent Bonds
- Definition: Covalency
- Key Points: Types of Covalent Bonds
- Formation of Covalent Bond
- Key Points: Formation of Covalent Bond
5 The Periodic Table
- Classification of Elements
- Key Points: Classification of Elements
- The Modern Periodic Table
- Definition: Elements
- Definition: Modern Periodic Table
- Key Points: Modern Periodic Table
- Structure of the Modern Periodic Table
- Key Points: Structure of the Modern Periodic Table
- Mendeleev’s Periodic Table
- Insights into Mendeleev’s Periodic Table
- Key Points: Insights into Mendeleev's Periodic Table
- Insights into Mendeleev’s Periodic Table
- Modern Periodic Law
- Definition: Modern Periodic Law
- Law: Modern Periodic Law
- Advantage and Disadvantage of Modern Periodic Table
- Periods and Electronic Configuration
- Key Points: Period and Electronic Configuration
- Shells (Orbits)
- Properties of Elements
- Periodic Trends in the Modern Periodic Table
- Definition: Periodic Trends
- Definition: valency
- Periodic Properties
- Atomic Size
- Definition: Atomic Size
- Key Points: Atomic Size
- Atomic Size
- Metallic and Non-metallic Characters
- Definition: Electropositivity
- Definition: Electronegativity
- Key Points: Metallic and Non-metallic Characters
- Study of Specific Groups in Periodic Table
- Group I (Alkali Metals)
- Group II (Alkaline Earth Metals)
- Group Zero or 18 Group (Noble Gases)
- Gradation in Halogen Family
- Key Points: Gradation in Halogen Family
- Uses of Periodic Table
- Earth and Elements
6 Study of the First Element - Hydrogen
- Position of Hydrogen in Periodic Table
- Similarities Between Hydrogen and Alkali Metals
- Similarities Between Hydrogen and Halogens
- Hydrogen
- Hydrogen
- Discovery of Hydrogen
- Occurrence of Hydrogen
- Preparation of Hydrogen
- Application of Activity Series in the Preparation of Hydrogen
- Displacement of hydrogen from dilute acids
- Displacement of hydrogen from alkalis
- Recognition and Identification of Gases
- Manufacture of Hydrogen
- Manufacture of Hydrogen
- Bosch process
- By electrolysis of water
- Physical Properties of Hydrogen
- Chemical Properties of Hydrogen
- Uses of Hydrogen
- Chemical Properties of Carbon Compounds > Oxidation
- Definition: Oxidation Reaction
- Definition: Oxidants or Oxidising Agents
- Key Points: Oxidation
7 Study of Gas Laws
- Gases and Its Characteristics
- Gases
- Behaviour and characteristic properties of gases
- Composition of gases
- Gases have neither a fixed volume nor a fixed shape
- Gases exert pressure in all directions
- Gases are highly compressible
- Gases are highly expansible
- Gases have low density
- Gases have a natural tendency to mix with one another (diffusion)
- Gases can be liquefied
- Molecular Motion : Relationship of Temperature, Pressure and Volume
- Gas Laws
- Definition: Gas Equation
- Definition: Absolute Scale or Klevin Scale
- Law: Boyle's Law
- Law: Charle's Law
- 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
- Pressure and Volume Relationship or Bolye's Law
- Absolute Zero and Absolute Temperature
- Gas Behaviour and Temperature
- Kelvin Scale (Absolute Scale)
- Triple Point of Water
- Example 1
- Example 2
- The Temperature and a Thermometer
- Introduction
- Unit of Temperature
- Experiment: 1
- Experiment: 2
- Scales of Thermometers
- Fahrenheit scale
- Celsius temperature scale
- Kelvin scale (Absolute scale)
- Relationship between the three scales of temperature
- Conversion of Temperature from celsius scale to kelvin scale and vice-versa
- Gas Equation
- Standard Temperature Pressure (S.T.P.)
- The Effect of Moisture and Pressure
8 Atmospheric Pollution
- Atmospheric Pollution
- Gaseous Pollutants and Their Effects
- Acid Rain
- Key Points: Acid Rain
- Green House Effect
- Advantage of Green House Effect
- Global Warming
- Preventive Measures of Global Warming
- Ozone
- Ozone Layer Depletion
- Key Points: Ozone Layer Depletion
9 Elements, Compounds and Mixtures
- Differences Between Elements, Compounds, and Mixtures
- Types of Mixtures
- Types of Mixtures
- Experiment 1
- Experiment 2
- Mixture
- Introduction
- Separation of Unwanted Substances from Mixtures
- Activity
- Separation of Mixtures
- Use of Solvent and Filtration
- Change of State
- Concept of Evaporation
- Factors Affecting Evaporation
- How does Evaporation cause cooling?
- Concept of Evaporation
- Methods of Separation
- Simple Distillation Method
- Distillation Method
- Experiment 1
- Experiment 2
- Simple Distillation Method
- Distillation Method
- Experiment 1
- Experiment 2
- Chromatography Method
- Introduction
- Experiment
- Centrifugation Method
- Centrifugation and Its Working
- Principle and Applications of Centrifugation
- Experiment
- Solvent Extraction (Using a Separating Funnel Method)
- Introduction to Separation Using a Separating Funnel
- Experiment
- Simple Distillation Method
12 Matter and Its Composition: Law of Conservation of Mass
- Change of State
- Introduction
- Definition: Change of State
- Freezing
- Condensation
- Activity
- Inter-particle Space and Interparticle Attraction and Collision
- Laws of Chemical Combination
13 Practical Work
- Recognition and Identification of Gases
- Action of Heat
- Identifying Substances by Colour, Smell, State & Heat Effect
- Distinction between Colourless Solutions of Dilute Acids and Alkalis
- Distinguish between Black Copper Oxide and Black Manganese Dioxide
- Flame Test
- Classification of water: Soft and Hard Water
- Soft and Hard water
- Types of Hard water
- Temporary Hardness
- Permanent Hardness
- Simple Experiments Based on Hard Water and Soft Water
- Differentiating hard water from soft water.
- Differentiating between temporary and permanent hard water.
- Soap and detergents
- Comparing the effects of soaps and detergents on hard water.
- Environmental Issues
- Water Pollution
- Definition: Water pollution
- Introduction
- Water Pollution
- Water Quality
- The pH Scale
- Prevention and Control of Water Pollution
