Chemistry | Class 9

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    Chapter 1 Fundamentals of Chemistry ( 37 videos)  (Practice Test)

      1.1: Branches of Chemistry (Practice Test)
      History of Chemistry, Chemistry and Society
    1. History of Chemistry, Chemistry and Society
      15398 views
      2. Chemistry
    2. Chemistry
      31442 views
      3. Physical Chemistry
    3. Physical Chemistry
      16102 views
      4. Organic and Inorganic Chemistry
    4. Organic and Inorganic Chemistry
      31175 views
      5. Biochemistry and Analytical Chemistry
    5. Biochemistry and Analytical Chemistry
      9451 views
      6. Industrial and Nuclear Chemistry
    6. Industrial and Nuclear Chemistry
      5939 views
      7. Environmental Chemistry and Polymeric Chemistry
    7. Environmental Chemistry and Polymeric Chemistry
      6312 views
      1.2: Basic Definitions (Practice Test)
      Element
    1. Element
      11039 views
      2. Compound
    2. Compound
      7437 views
      3. Mixture
    3. Mixture
      6368 views
      4. Atomic Number and Mass Number
    4. Atomic Number and Mass Number
      7401 views
      5. Relative Atomic Mass and Atomic Mass Unit
    5. Relative Atomic Mass and Atomic Mass Unit
      16670 views
      6. Calculating the Average Atomic Mass
    6. Calculating the Average Atomic Mass
      6716 views
      7. Empirical Formula
    7. Empirical Formula
      13953 views
      8. Empirical Formula-Covalent and Ionic Compound
    8. Empirical Formula-Covalent and Ionic Compound
      8479 views
      9. Molecular Formula
    9. Molecular Formula
      11052 views
      10. Molecular Mass
    10. Molecular Mass
      5563 views
      11. Formula Mass
    11. Formula Mass
      6501 views
      12. Determining Molar Mass and Empirical Formula of Compounds
    12. Determining Molar Mass and Empirical Formula of Compounds
      3091 views
      1.3: Chemical Species (Practice Test)
      Ions, Cations and Anions
    1. Ions, Cations and Anions
      4183 views
      2. Molecular Ion
    2. Molecular Ion
      8846 views
      3. Free Radical
    3. Free Radical
      4728 views
      4. Representative particles
    4. Representative particles
      3712 views
      5. Molecules and its Types
    5. Molecules and its Types
      3795 views
      1.4: Avogadros Number and Mole (Practice Test)
      Avogadro's Number
    1. Avogadro's Number
      18020 views
      2. Mole
    2. Mole
      32346 views
      3. Gram Atomic Mass, Gram Molecular Mass, Gram Formula Mass
    3. Gram Atomic Mass, Gram Molecular Mass, Gram Formula Mass
      6470 views
      4. Calculating Moles from Mass
    4. Calculating Moles from Mass
      11089 views
      5. Calculating Mass from Moles
    5. Calculating Mass from Moles
      7590 views
      6. Calculating Mass in Grams and Moles
    6. Calculating Mass in Grams and Moles
      7583 views
      1.5: Chemical Calculations (Practice Test)
      Mole-Mass Calculations
    1. Mole-Mass Calculations
      10808 views
      2. Mole-Particle Calculations
    2. Mole-Particle Calculations
      6535 views
      3. More on Mole-Particle Calculations
    3. More on Mole-Particle Calculations
      3514 views
      4. Calculating Mass in Grams of a Single Atom
    4. Calculating Mass in Grams of a Single Atom
      6457 views
      5. Calculating Number of Ions in the Compounds
    5. Calculating Number of Ions in the Compounds
      6764 views
      6. Calculating Number of Particles from Mass
    6. Calculating Number of Particles from Mass
      4824 views
      7. Calculating Mass and Moles of an Element from a Compound
    7. Calculating Mass and Moles of an Element from a Compound
      7020 views

    Chapter 2 Structure of Atoms ( 13 videos)  (Practice Test)

      2.1: Theories and Experiments Related to Atomic Structure (Practice Test)
      Atom and its Structure
    1. Atom and its Structure
      12165 views
      2. Rutherford's Atomic Model
    2. Rutherford's Atomic Model
      22654 views
      3. Advantages and Defects in Rutherford's Atomic Model
    3. Advantages and Defects in Rutherford's Atomic Model
      12554 views
      4. Bohr's Atomic Theory
    4. Bohr's Atomic Theory
      18709 views
      2.2: Isotopes (Practice Test)
      Isotopes
    1. Isotopes
      11479 views
      2. Isotopes of Carbon, Chlorine and Uranium
    2. Isotopes of Carbon, Chlorine and Uranium
      4023 views
      3. Uses of Isotopes
    3. Uses of Isotopes
      10948 views
      2.3: Electronic Configuration (Practice Test)
      Distribution of Electrons in Shell
    1. Distribution of Electrons in Shell
      660 views
      2. More on Distribution of Electrons in Shell
    2. More on Distribution of Electrons in Shell
      133 views
      3. Electronic Configuration
    3. Electronic Configuration
      13322 views
      4. More on Electronic Configuration
    4. More on Electronic Configuration
      7168 views
      5. Give Name and Symbol for the Elements
    5. Give Name and Symbol for the Elements
      4090 views
      6. Electronic Configuration of Different Species
    6. Electronic Configuration of Different Species
      3186 views

    Chapter 3 Periodic Table and Periodicity of Properties ( 15 videos)  (Practice Test)

      3.1: Periodic Table (Practice Test)
      Introduction to Periodic Law And Periodic Table
    1. Introduction to Periodic Law And Periodic Table
      14803 views
      2. Modern Periodic Table
    2. Modern Periodic Table
      15946 views
      3. Periods in Modern Periodic Table
    3. Periods in Modern Periodic Table
      11219 views
      4. Groups in Modern Periodic Table
    4. Groups in Modern Periodic Table
      14467 views
      5. Chemical Families
    5. Chemical Families
      5777 views
      3.2: Periodicity of Properties (Practice Test)
      Shielding Effect
    1. Shielding Effect
      16588 views
      2. Trend of Shielding Effect in Periodic Table
    2. Trend of Shielding Effect in Periodic Table
      5191 views
      3. Atomic Size and Atomic Radius
    3. Atomic Size and Atomic Radius
      14240 views
      4. Trend of Atomic Radius in Periodic Table
    4. Trend of Atomic Radius in Periodic Table
      27707 views
      5. Ionization Energy
    5. Ionization Energy
      10144 views
      6. Trend of Ionization Energy in Periodic Table
    6. Trend of Ionization Energy in Periodic Table
      14213 views
      7. Electron Affinity
    7. Electron Affinity
      8741 views
      8. Trend of Electron Affinity in Periodic Table
    8. Trend of Electron Affinity in Periodic Table
      5145 views
      9. Electronegativity
    9. Electronegativity
      5941 views
      10. Trend of Electronegativity in Periodic Table
    10. Trend of Electronegativity in Periodic Table
      3354 views

    Chapter 4 Structure of Molecules ( 14 videos)  (Practice Test)

      4.1: Why do Atoms React?
      Why do Atoms Form Chemical Bonds?
    1. Why do Atoms Form Chemical Bonds?
      14190 views
      4.2: Chemical Bonds
      Chemical Bond
    1. Chemical Bond
      10646 views
      4.3: Types of Bonds (Practice Test)
      Ionic Bond
    1. Ionic Bond
      12605 views
      2. Covalent Bond
    2. Covalent Bond
      9028 views
      3. Types of Covalent Bonds
    3. Types of Covalent Bonds
      6542 views
      4. Single Covalent Bond
    4. Single Covalent Bond
      5587 views
      5. Double Covalent Bond
    5. Double Covalent Bond
      4669 views
      6. Triple Covalent Bond
    6. Triple Covalent Bond
      4585 views
      7. Classify Bonds as Ionic or Covalent
    7. Classify Bonds as Ionic or Covalent
      1966 views
      8. Drawing Lewis Dot and Cross Structures
    8. Drawing Lewis Dot and Cross Structures
      2489 views
      4.4: Intermolecular Forces (Practice Test)
      Intermolecular Forces
    1. Intermolecular Forces
      13002 views
      2. Dipole-Dipole Forces
    2. Dipole-Dipole Forces
      22680 views
      3. Hydrogen Bonding
    3. Hydrogen Bonding
      16302 views
      4.5: Nature of Bonding and Properties (Practice Test)
      Properties of Ionic Compounds
    1. Properties of Ionic Compounds
      6118 views

    Chapter 5 Physical States of Matter ( 20 videos)  (Practice Test)

      5.1: Typical Properties of Gaseous State (Practice Test)
      Common States of Matter (Solid, Liquid, Gas, Plasma)
    1. Common States of Matter (Solid, Liquid, Gas, Plasma)
      5774 views
      2. Diffusion and Effusion in Gases
    2. Diffusion and Effusion in Gases
      14761 views
      3. Pressure and Standard Atmospheric Pressure
    3. Pressure and Standard Atmospheric Pressure
      10827 views
      4. Compressibility, Mobility and Density of Gases
    4. Compressibility, Mobility and Density of Gases
      5546 views
      5. Experimental Verification of Boyle's Law
    5. Experimental Verification of Boyle's Law
      9591 views
      6. Experimental Verification of Charles' Law
    6. Experimental Verification of Charles' Law
      6915 views
      5.2: Laws Related to Gases
      Boyle's Law of Gases
    1. Boyle's Law of Gases
      10840 views
      2. Charles's Law
    2. Charles's Law
      11010 views
      5.3: Typical Properties of Liquid State (Practice Test)
      Evaporation in Liquids and its Uses
    1. Evaporation in Liquids and its Uses
      7079 views
      2. Vapour Pressure
    2. Vapour Pressure
      8063 views
      3. Effect of Temperature on Vapour Pressure
    3. Effect of Temperature on Vapour Pressure
      6069 views
      4. Boiling Points of Liquids
    4. Boiling Points of Liquids
      7380 views
      5. Boiling Point and External Pressure
    5. Boiling Point and External Pressure
      3531 views
      5.4: Typical Properties of Solid State (Practice Test)
      Rigidity and Melting Point of Solids
    1. Rigidity and Melting Point of Solids
      3147 views
      2. Sublimation of Solids
    2. Sublimation of Solids
      2173 views
      5.5: Types of Solids
      Crystalline Solids
    1. Crystalline Solids
      9069 views
      2. Amorphous Solids
    2. Amorphous Solids
      8167 views
      5.6: Allotropes (Practice Test)
      Concept of Allotropy
    1. Concept of Allotropy
      7697 views
      2. Allotropy and Allotropic Forms of Carbon
    2. Allotropy and Allotropic Forms of Carbon
      5677 views
      5.7: Comparison of Physical States of Matter
      Comparison of Physical States of Matter
    1. Comparison of Physical States of Matter
      758 views

    Chapter 6 Solutions ( 21 videos)  (Practice Test)

      6.1: Solution, Aqueous Solution, Solute and Solvent (Practice Test)
      Introduction to Solutions
    1. Introduction to Solutions
      9101 views
      6.2: Saturated, Unsaturated, Supersaturated Solutions and Dilution of Solution (Practice Test)
      Types of Solutions on the Basis of Concentration
    1. Types of Solutions on the Basis of Concentration
      6379 views
      2. Crystallization
    2. Crystallization
      2675 views
      6.3: Types of Solutions (Practice Test)
      Types of Solutions on the Basis of Physical States
    1. Types of Solutions on the Basis of Physical States
      7216 views
      6.4: Concentration Units (Practice Test)
      Concentration Units
    1. Concentration Units
      4906 views
      2. Percentage Mass/Mass
    2. Percentage Mass/Mass
      6518 views
      3. Percentage Mass/Volume
    3. Percentage Mass/Volume
      5106 views
      4. Percentage Volume/Mass
    4. Percentage Volume/Mass
      3978 views
      5. Percentage Volume/Volume
    5. Percentage Volume/Volume
      3822 views
      6. Molarity and Preparation of Molar Solution
    6. Molarity and Preparation of Molar Solution
      7927 views
      7. Determining Molarity from Percentage by Mass of Solution
    7. Determining Molarity from Percentage by Mass of Solution
      2469 views
      8. Dilution of Solution
    8. Dilution of Solution
      659 views
      9. Calculations of Dilution of Solution
    9. Calculations of Dilution of Solution
      1896 views
      6.5: Solubility (Practice Test)
      Introduction to Solubility
    1. Introduction to Solubility
      8696 views
      2. Solubility and Solute-Solvent Interactions
    2. Solubility and Solute-Solvent Interactions
      8133 views
      3. Solubility and Nature of Solute
    3. Solubility and Nature of Solute
      2618 views
      4. Solubility and Nature of Solvent
    4. Solubility and Nature of Solvent
      2006 views
      5. The Effect of Temperature
    5. The Effect of Temperature
      5003 views
      6.6: Comparison of Solution, Suspension and Colloids (Practice Test)
      Comparison of Solution, Suspension and Colloid
    1. Comparison of Solution, Suspension and Colloid
      5716 views
      2. Colloids
    2. Colloids
      2997 views
      3. Suspensions
    3. Suspensions
      1073 views

    Chapter 7 Electrochemistry ( 28 videos)  (Practice Test)

      7.1: Oxidation and Reduction (Practice Test)
      Introduction to Electrochemistry
    1. Introduction to Electrochemistry
      14155 views
      2. Oxidation and Reduction in Terms of Loss and Gain of Electron
    2. Oxidation and Reduction in Terms of Loss and Gain of Electron
      9230 views
      3. Oxidation and Reduction in Terms of Loss and Gain of Oxygen
    3. Oxidation and Reduction in Terms of Loss and Gain of Oxygen
      4533 views
      4. Oxidation and Reduction in Terms of Loss and Gain of Hydrogen
    4. Oxidation and Reduction in Terms of Loss and Gain of Hydrogen
      3301 views
      7.2: Oxidation States and Rules for Assigning Oxidations States
      Oxidation State and Rules for Assigning Oxidation State
    1. Oxidation State and Rules for Assigning Oxidation State
      10259 views
      2. Finding out the Oxidation Numbers
    2. Finding out the Oxidation Numbers
      9889 views
      7.3: Oxidizing and Reducing Agents
      Oxidizing and Reducing Agents
    1. Oxidizing and Reducing Agents
      6716 views
      2. Identifying Oxidizing and Reducing Agents from the Reactions
    2. Identifying Oxidizing and Reducing Agents from the Reactions
      10754 views
      7.4: Oxidation Reduction Reactions (Practice Test)
      Oxidation and Reduction Reactions
    1. Oxidation and Reduction Reactions
      7915 views
      2. Identifying Substances Which are Oxidized or Reduced
    2. Identifying Substances Which are Oxidized or Reduced
      9238 views
      3. Recovering Metals from Their Ores
    3. Recovering Metals from Their Ores
      2042 views
      7.5: Electrochemical Cells (Practice Test)
      Concepts of Electrolytes
    1. Concepts of Electrolytes
      7997 views
      2. Electrolytic cells
    2. Electrolytic cells
      7932 views
      3. Construction of an Electrolytic cell
    3. Construction of an Electrolytic cell
      3889 views
      4. Working of Electrolytic cell
    4. Working of Electrolytic cell
      4206 views
      5. Galvanic Cell and its construction
    5. Galvanic Cell and its construction
      16981 views
      6. Working of the Cell
    6. Working of the Cell
      5637 views
      7. Cells and Batteries
    7. Cells and Batteries
      446 views
      8. Dry Cell
    8. Dry Cell
      3751 views
      7.6: Electrochemical Industries (Practice Test)
      Electrolysis of Sodium Chloride
    1. Electrolysis of Sodium Chloride
      18966 views
      2. Manufacture of NaOH from Brine
    2. Manufacture of NaOH from Brine
      22474 views
      3. Electroplating of Copper
    3. Electroplating of Copper
      5086 views
      4. Electroplating of Zinc
    4. Electroplating of Zinc
      3164 views
      5. Electroplating of Tin
    5. Electroplating of Tin
      4100 views
      6. Chrome Plating
    6. Chrome Plating
      10734 views
      7.7: Corrosion and its Prevention (Practice Test)
      Rusting of Iron
    1. Rusting of Iron
      17285 views
      2. Prevention of Corrosion
    2. Prevention of Corrosion
      5034 views
      3. Corrosion of Aluminium
    3. Corrosion of Aluminium
      2917 views

    Chapter 8 Chemical Reactivity ( 9 videos)  (Practice Test)

      8.1: Metals (Practice Test)
      Metal and its Physical Properties
    1. Metal and its Physical Properties
      4237 views
      2. Electropositive Character of Metals
    2. Electropositive Character of Metals
      5090 views
      3. Physical Properties of Alkali and Alkaline Earth Metals
    3. Physical Properties of Alkali and Alkaline Earth Metals
      7228 views
      4. Chemical Properties of Alkali and Alkaline Earth Metals
    4. Chemical Properties of Alkali and Alkaline Earth Metals
      6355 views
      5. Inertness of Noble Metals
    5. Inertness of Noble Metals
      3384 views
      8.2: Non-Metals (Practice Test)
      Physical Properties of Non Metals
    1. Physical Properties of Non Metals
      1691 views
      2. Electronegative Character
    2. Electronegative Character
      942 views
      3. Comparison of Reactivity of the Halogens
    3. Comparison of Reactivity of the Halogens
      1529 views
      4. Oxidising Property of Halogens
    4. Oxidising Property of Halogens
      597 views