9th Class Chemistry Notes

April 26, 2020February 28, 2021 studynotes 0 Comments 9th Class Chemistry Chapter Wise

9th Class Chemistry Chapter Wise Notes Details.

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This plan is very important for exam preparation. The complete syllabus of the Chemistry book is described below. Topics / Subtopics / Activities to be covered You must read it.

Chapter 1: Fundamentals of chemistry

Branches of chemistry and basic definitions
Matter; Substance
Physical and chemical properties
Mixture, element, compound
Atomic number and mass number
Relative atomic mass and atom mass unit, chemical formula
Empirical formula and a molecular formula
Molecular mass and formula mass
Quiz activity & lab
Chemical species (ions, molecular ions, free radicals)

Chapter2: Atomic Structure

Introduction
Theories and experiments related to the structure of +lab
Atom Cathode, Discovery proton, neutron
And the atomic model of Rutherford, defects
Boar’s atomic theory and comparison of both models; Lab
Electronic configuration, electronic configuration of 1^st18 elements
Isotopes & examples
Applications and uses of isotopes, testing, prevailing theories bring about change in them
Exercise & Lab

Chapter 3: Periodic Table and Periodicity of Properties

Introduction of the periodic table, Do briner tirades and new land octaves
Mendeleev periodic table, periodic law
Modern periodic table & Lab
Periodicity of properties atomic size
Atomic radius, shielding effect, ionization energy,
Electron affinity; Electronegativity

Chapter 4:Structure of Molecule

Introduction
Why do atoms form a chemical bond, chemical bond, types of chemical bond
Ionic bond, covalent (polar and non-polar)
Ionic, Dative, Metallic bond, Lab
Intermolecular forces, dipole-dipole interactions,
Hydrogen bonding, nature of bonds and properties
Metals, synthetic adhesive. Aircraft cars
Trucks and boats are partially held with epoxy adhesives; Science and technology & Lab

Chapter 5: Physical States of Matter

Introduction & Lab
Gaseous state; Typical properties
Standard atmospheric pressure; Boyles law experimental verification of Boyles law
Numerical; Absolute temperature scale
Charles law; experimental verification
Physical states of matter and role of Intermolecular forces
Liquid state; Typical properties; Evaporation
Vapor pressure; Boiling point; Freezing point

Chapter 6: Solutions

Introduction; Solutions; Saturated solutions
Un-saturated solutions; Supersaturated solutions
Solute; Solvents; Types of solutions; Concentration
Units; Numerical; Lab
Molarity; Preparation of Molar solutions
Preparation of dilute solution solubility and solute-solvent interaction
Effect of temperature on solubility; Lab

Chapter 7: Electrochemistry

Oxidation and reduction reactions
Oxidation and reduction in terms of loss or gain of electrons
Difference between oxidation and reduction
Oxidation state and its rules, oxidizing and reducing agents; Lab
Electrochemical cell
Electrolytic cell; Working of an electrolyte
Electrolysis of water; Galvanic cell
Construction of a Daniel cell; Lab
Downs cell; Nelson cell
Manufacture of NaOH from the brine solution
Corrosion and prevention, Electroplating
Procedure & Lab

Chapter 8: Chemical Reactivity

Introduction, metals, and properties
Physical, chemical, electropositive character; trends of electro positivity
Electro positivity and ionization energy; Comparison of physical properties and reactivity of alkali and alkaline earth metal
Comparison of chemical properties and reactivity of sodium magnesium and calcium
Uses of Na, Mg, and Ca; Noble metals, non-metals;
The inertness of Nobel metals; Lab
Physical properties of non-metals,
Chemical properties of non-metals,
Comparison of the reactivity of halogens; Important reactions of halogens
Reaction with hydrogen water methane, sodium hydroid
Significance of non-metals

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9th Class Chemistry Notes