9th Class Chemistry Tech Syllabus Scheme Paper Pattern 2025-2026
CHEMISTRY (TECH) Theory Part – I 40 Marks Theory Part– II 40 Marks Practical Part– II 20 Marks Total 100 Marks Part-I (Class-IX) Marks: 40 Time: 1:30 Hours Chapter 1 : States of Matter and Phase Changes 1.1 What is Chemistry? 1.2 Differences between Elements, Compounds and Mixtures 1.3 Allotropic Forms of Substances 1.4 Solution, Colloidal Solution and Suspension 1.5 Effect of Temperature on the Solubility of Solutes Chapter 2 : Atomic Structure 2.1 Structure of Atom 2.2 Atomic Number and Mass Number 2.3 Relative Atomic Mass Chapter 3 : Chemical Bonding 3.1 Why do atoms from chemical bonds? 3.2 Chemical Bond 3.3 Types of Bonds 3.4 Electropositive Character of Metals 3.5 Electronegative character of Non-metals 3.6 Compare the properties of ionic and covalent compounds. 3.7 Nature of Bonding and Properties Chapter 4 : Stoichiometry 4.1 Chemical formula 4.2 Empirical Formula 4.3 Chemical Formulas of Binary Ionic Compounds 4.4 Chemical Formulas of Compounds 4.5 Avogadro’s Number (NA) 4.6 The Mole and Molar Mass 4.7 Chemical Equations and Chemical Reactions 4.8 Calculations Based on Chemical Equation Chapter 5 : Energetics 5.1 System and Surounding 5.2 Enthalpy 5.3 Exothermic and Endothermic Reactions 5.4 How does a Reaction take place? Chapter 6 : Equilibria 6.1 Reversible and Irreversible Changes 6.2 Dynamic Equilibrium 6.3 Changing the Physical Conditions of a Chemical Reaction Chapter 7 : Acid Base Chemistry 7.1 Acids and Bases 7.2 Different Concepts of Acids and Bases 7.3 Bronsted – Lowry concepts of Acids and Bases 7.4 Properties of Acids and Base Chapter 8 : Periodic Table and Periodicity 8.1 Modern Periodic Table 8.2 Salient Features of Modern Periodic Table
8.3 Similarities in the Chemical Properties of Elements in the Same Group 8.4 Variation of Periodic Properties in Periods and Groups 8.5 Metallic Character and Reactivity Chapter 9 :Group Properties and Elements 9.1 Properties of Group 1 Elements 9.2 Properties of Group 17 Elements 9.3 Properties of Noble Gases 9.4 Physical Properties of Metals and Non-metals Chapter 10 : Environmental Chemistry 10.1 Air Pollutants 10.2 Acid Rain 10.3 Global Warming (Greenhouse Effect) 10.4 Strategies to Reduce Environmental Issues Chapter 11 : Hydrocarbons 11.1 Hydrocarbons 11.2 Alkanes 11.3 Preparation of Alkanes 11.4 Important Reactions Chapter 12 : Laboratory and Practical Skills 12.1 Chemical Hazards in the Laboratory 12.2 Hazard Signs 12.3 Personal Protective Equipment (PPE) in the Laboratory 12.4 Location of Fire Extinguisher 12.5 Emergency Situation in the Lab