9th Class Chemistry Important Questions

This guess paper for 9th Class Chemistry (2026 session) covers the most anticipated topics for Punjab Boards in both Urdu and English mediums. For a full syllabus overview, students can refer to platforms like Ilmway.pk or official board Model Papers.

Chapter 1: Fundamentals of Chemistry

• Short Questions (مختصر سوالات):
  • Define Organic and Inorganic Chemistry.
  • Difference between Compound and Mixture.
  • Define Valency with examples.
  • What is Avogadro’s Number?.
  • Define Empirical Formula and Molecular Formula.
• Long Questions (تفصیلی سوالات):
  • Major branches of Chemistry and their scope.
  • Five differences between Mixture and Compound.

Chapter 2: Structure of Atoms

• Short Questions (مختصر سوالات):
  • What is Plum Pudding Theory?.
  • Write two properties of Neutrons.
  • Write the Electronic Configuration of Nitrogen and Chlorine.
  • Define Isotopes and name those of Hydrogen.
• Long Questions (تفصیلی سوالات):
  • Rutherford’s Atomic Model and its defects.
  • Bohr’s Atomic Theory and its postulates.

Chapter 3: Periodic Table & Periodicity

• Short Questions (مختصر سوالات):
  • Define Ionization Energy and its trend in groups.
  • What is Shielding Effect?.
  • State the Periodic Law.
  • Why are Noble Gases inert?.
• Long Questions (تفصیلی سوالات):
  • Salient features of the Long Form of Periodic Table.
  • Factors affecting Electronegativity and Electron Affinity.

Chapter 4: Structure of Molecules

• Short Questions (مختصر سوالات):
  • Why do atoms form chemical bonds?.
  • Define Octet Rule and Duplet Rule.
  • Difference between Polar and Non-polar covalent bonds.
  • What is Hydrogen Bonding?.
• Long Questions (تفصیلی سوالات):
  • Define Ionic Bond and explain with an example.
  • Properties of Covalent Compounds.

Chapter 5: Physical States of Matter

• Short Questions (مختصر سوالات):
  • Define Diffusion and Effusion.
  • What is Standard Atmospheric Pressure?.
  • Define Allotropy with examples.
  • Difference between Amorphous and Crystalline solids.
• Long Questions (تفصیلی سوالات):
  • State Boyle’s Law and its experimental verification.
  • Charles’s Law and its importance.

Chapter 6: Solutions

• Short Questions (مختصر سوالات):
  • Difference between Solute and Solvent.
  • What is Solubility? List its factors.
  • Define Molarity and its formula.
  • Difference between Saturated and Unsaturated solutions.
• Long Questions (تفصیلی سوالات):
  • Comparison of Solution, Suspension, and Colloid.

Chapter 7: Electrochemistry

• Short Questions (مختصر سوالات):
  • Define Oxidation and Reduction in terms of electrons.
  • What are Electrolytes and Non-electrolytes?.
  • Define Corrosion and its prevention.
• Long Questions (تفصیلی سوالات):
  • Construction and working of the Daniel Cell.
  • Electrolysis of water with a labeled diagram.

Chapter 8: Chemical Reactivity

• Short Questions (مختصر سوالات):
  • Physical properties of Metals.
  • Write two uses of Gold and Silver.
  • Define Electropositivity.
• Long Questions (تفصیلی سوالات):
  • Comparison of Alkali and Alkaline Earth Metals.

Would you like to see a specific pairing scheme for the 2026 exam to see which chapters are grouped for long questions?