Chemistry Tech 9th Class Text Book English Medium

Explore the complete 9th Grade Technical Chemistry curriculum designed to build strong foundations in fundamental science. This comprehensive guide covers core concepts including states of matter, atomic structure, chemical bonding, stoichiometry, energetics, dynamic equilibria, and acid-base chemistry. Students will master periodic table trends, group properties, hydrocarbons, and environmental chemistry issues such as global warming and air pollution. Essential laboratory and practical safety skills are integrated to ensure hands-on competence. Perfect for matriculation students, educators, and self-learners, this syllabus provides structured topics, step-by-step chemical equations, and key definitions needed for academic excellence and practical understanding.

Class09th Class
SubjectChemistry
MediumEnglish Medium
Curriculum AuthorityPunjab Education, Curriculum, Training and Assessment Authority (PECTAA)
Academic Year2026–27

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Chapters

Chapter 1 – States of Matter and Phase Changes

Fundamental concepts, states of matter, and solubility.

  • What is Chemistry?
  • Branches of Chemistry
  • Differences between Elements, Compounds and Mixtures
  • Allotropic Forms of Substances
  • Solution, Colloidal Solution and Suspension
  • Effect of Temperature on the Solubility of Solutes

Chapter 2 – Atomic Structure

Discovery of subatomic particles and atomic models.

  • Structure of Atom
  • Discovery of Electrons
  • Cathode Rays
  • Discovery of Proton
  • Discovery of Neutron
  • Discovery of Nucleus
  • Bohr's Atomic Model
  • Atomic Number and Mass Number
  • Relative Atomic Mass

Chapter 3 – Chemical Bonding

Chemical bonding mechanisms and chemical properties.

  • Why do atoms form chemical bonds?
  • Chemical Bond
  • Ionic Bond
  • Covalent Bond
  • Coordinate Covalent Bond
  • Metallic Bond
  • Properties of Metals
  • Electropositive Character of Metals
  • Electronegative character of Non-metals
  • Compare the properties of ionic and covalent compounds
  • Nature of Bonding and Properties

Chapter 4 – Stoichiometry

Chemical formulas, mole concept, and quantitative equations.

  • Chemical formula
  • Empirical Formula
  • Chemical Formulas of Binary Ionic Compounds
  • Chemical Formulas of Compounds
  • Avogadro's Number
  • The Mole and Molar Mass
  • Chemical Equations and Chemical Reactions
  • Calculations Based on Chemical Equation

Chapter 5 – Energetics

Energy changes, enthalpy, and reaction mechanisms.

  • System and Surrounding
  • Enthalpy
  • Exothermic and Endothermic Reactions
  • How does a Reaction take place?

Chapter 6 – Equilibria

Reversible processes and chemical equilibrium principles.

  • Reversible and Irreversible Changes
  • Dynamic Equilibrium
  • Changing the Physical Conditions of a Chemical Reaction

Chapter 7 – Acid Base Chemistry

Concepts, properties, and reactions of acids and bases.

  • Acids and Bases
  • Different Concepts of Acids and Bases
  • Arrhenius Acids and Bases
  • Bronsted - Lowry concepts of Acids and Bases
  • Properties of Acids and Bases
  • Reactions of Acids
  • Properties of Bases

Chapter 8 – Periodic Table and Periodicity

Modern periodic table trends and elemental characteristics.

  • Modern Periodic Table
  • Salient Features of Modern Periodic Table
  • Periods
  • Groups
  • Similarities in the Chemical Properties of Elements in the Same Group
  • Relationship between Group Number and Charge of Ions
  • Variation of Periodic Properties in Periods and Groups
  • Atomic Radius
  • Ionization Energy
  • Electron Affinity
  • Electronegativity
  • Metallic Character and Reactivity
  • Density

Chapter 9 – Group Properties and Elements

Physical and chemical properties across periodic groups.

  • Properties of Group 1 Elements
  • Properties of Group 17 Elements
  • Properties of Noble Gases
  • Physical Properties of Metals and Non-metals
  • Comparison of the Physical Properties of Metals and Non-metals

Chapter 10 – Environmental Chemistry

Atmospheric pollutants, acid rain, and climate impact.

  • Air Pollutants
  • Major Air Pollutants
  • Sources of Air Pollutants
  • Acid Rain
  • Effects of Acid Rain
  • Global Warming (Greenhouse Effect)
  • Sources of Greenhouse Gases
  • Rise in Sea level
  • Increase in Rainfall
  • Effects on Agriculture
  • Summer and Winter Seasons
  • Strategies to Reduce Environmental Issues
  • How to avoid harmful effects of air pollution?

Chapter 11 – Hydrocarbons

Structures, preparation, and reactions of hydrocarbons.

  • Hydrocarbons
  • Alkanes
  • Preparation of Alkanes
  • Cracking of Higher Hydrocarbons
  • Reduction of Alkenes and Alkynes
  • Reduction of Alkyl Halides
  • Important Reactions
  • Halogenation
  • Combustion

Chapter 12 – Laboratory and Practical Skills

Safety protocols, chemical hazards, and emergency procedures.

  • Chemical Hazards in the Laboratory
  • Flammable and Explosive Chemical Hazards
  • Corrosive Hazards
  • Toxic Chemical Hazards
  • Hazard Signs
  • Personal Protective Equipment (PPE) in the Laboratory
  • Location of Fire Extinguisher
  • Emergency Situation in the Lab

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