Guess Paper 9th Class Chemistry 2024

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Guess Paper 9th Class 2024 Chemistry

Guess Paper 9th Class 2024 Chemistry in Punjab Board of Lahore.

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CHEMISTRY 9^TH

Fundamentals of Chemistry

Major Concepts

• Branches of Chemistry
• Basic Definitions
• Chemical species
• Avogadro’s Number and Mole
• Chemical Calculations

STRUCTURE OF ATOMS

Major Concepts:

• Theories and Experimental related to Atomic Structure
• Electronic Configuration
• Isotopes

PERIODICITY OF PROPERTIES

Major Concepts:

• Periodic Table
• Periodic Properties

STRUCTURE OF MOLECULES

Major Concepts:

• Why do atoms react?
• Chemical bonds
• Types of bonds
• Intermolecular forces
• Nature of bonding and properties

PHYSICAL STATES OF MATTER

Major Concepts:

• Gaseous State
• Typical properties
• Laws related to gases
• Liquid State
• Typical Properties
• Solid State
• Typical Properties
• Types of Solids
• Allotropy

SOLUTIONS

Major Concepts:

• Solution, aqueous solution, solute and solvent
• Saturated, unsaturated, supersaturated solutions and dilution of solution
• Types of solutions
• Concentration units
• Comparison of solutions,
• Suspensions and colloids

ELECTROCHEMISTRY

Major Concepts:

• Oxidation and reduction
• Oxidation states and rules for assigning oxidation states
• Oxidizing and reducing agents.
• Oxidation – reduction reactions
• Electrochemical cells
• Electrochemical industries
• Corrosion and its prevention

CHEMICAL REACTIVITY

Major Concepts:

• Metal
• Non-Metal

Students Learning Outcomes

Students will be able to:

• Show how cation and anion are related to the terms metals and non-metals.
• Explain Alkali metals are not found in the free state in nature.
• Explain the differences in ionization energies of alkali and alkaline earth metals.
• Describe position of sodium metal in the periodic table its simple properties and uses.
• Position of calcium and magnesium in the periodic table, their simple properties and uses.
• Position of calcium and magnesium in the periodic table, their simple properties and uses.
• Differentiate between soft and hard metals (iron and sodium)
• Describe the inertness of noble metals.
• Identify commercial value of silver, gold and platinum.
• Compile some important reactions of halogens.
• Name some elements that exist in nature in uncombined form.