The 9th Class Chemistry Notes with Solved Examples is a comprehensive guide for students studying in the Class 9 in Pakistan. These notes covers a wide range of topics, including the fundamentals of chemistry, the structure of atoms, the periodic table, and more.
These chemistry notes are based on 8 chapters. You can study them one by one. Here are the main questions of all the 8 chapters.
9th Class Chemistry Notes
Chapter 1 – Fundamentals Of Chemistry
- Define Chemistry. Give its importance in daily life.
- Define and describe the various branches of chemistry.
- Define Matter, Substance, Physical Properties and Chemical Properties.
Chapter 2 – Structure Of Atoms
- How are cathode rays produced.
- How it was proved that electrons are fundamental particles of an atom.
- Draw a labeled diagram to show the presence of protons.
Chapter 3 – Periodic Table And Periodicity Of Properties
- Describe Dobereiner’s triade with examples.
- Describe Newlands octaves and also write its drawback.
- Explain the contribution of Mendeleev for the arrangements of elements.
Chapter 4 – Structure Of Molecules
- Define Ionic bond.
- What is covalent bond?
- Write a note on coordinate covalent bond.
Chapter 5 – Physical States Of Matter
- Explain the typical properties of gases.
- Define Boyle’s Law.
- In which units blood pressure measured?
Chapter 6 – Solutions
- Define the following. (Solute, Solvent, Universal Solvent etc.)
- Write the preparation of saturated solutions.
- Define super saturated solutions.
Chapter 7 – Electrochemistry
- Define Oxidation state.
- Explain Oxidation reduction reaction.
- How sodium metal is extracted from fused chloride.
Chapter 8 – Chemical Reactivity
- Define metals.
- Write a note on electropositive character of metals.
- Write a note reactivities of Alkali and Alkaline earth metals.
All Subjects 9th Class Notes in One Place
