Chemistry
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In this section of Matter in Our Surroundings Classification of matter, Compressibility, Density, Evaporation causes cooling, Expansion or contraction, Factors affecting evaporation, Fluidity, General Properties of Liquids, General Properties of Solids, Matter is made up of particles, Melting point and boiling point, Particles of matter are too small to be imagined, Particles of matter attract each other, Particles of matter have spaces between them, Particles of some matter are in constant motion, Physical nature of Matter, Shape and Volume, etc. have been explained. Watch the videos and master the concepts
- Sample Test(s)Test NameSubject(s)Topics / ChaptersQuestions / MarksActionTutorial - 9th - Chemistry [Matter in Our Surroundings I]ChemistryMatter in Our Surroundings I10 / 10View All FREE Test(s)
In this section of Matter in Our Surroundings Absorption of Heat, Boiling and boiling point, Bose Einstein Condensate, Condensation of gases, Difference between Gas and Vapour, Difference between steam and boiling water, Diffusion of gases, Effect of heating and cooling, Freezing, General Properties of Gases, Interconvertibility of the States of Matter, Measurement of temperature, Plasma state of matter, Pressure exerted by gas, Vaporization, etc. have been explained. Watch the videos and master the concepts
- Sample Test(s)Test NameSubject(s)Topics / ChaptersQuestions / MarksActionTutorial - 9th - Chemistry [Matter in Our Surroundings II]ChemistryMatter in Our Surroundings II10 / 10View All FREE Test(s)
A pure substance consists of a single type of particles. Most of the matter around us exist as mixtures of two or more pure components, for example, sea water, minerals, soil etc. are all mixtures. In this section of Is Matter Around Us Pure Aqueous and Non Aqueous Solution, Colloids, Compound, Concentration of Solution Percentage by Mass, Concentration of Solution Percentage by Volume, Effect of Temperature and Pressure on Solubility, Elements, Mixture, Non Aqueous Solution, Physical and Chemical Change, Properties of Mixture, Pure Substances, Saturated and Unsaturated Solution, Saturated Solution, Solubility, Solute and Solvent, Solutions, Solvents, Suspension, True Solutions, Tyndal Effect, etc. have been explained. Watch the videos and master the concepts
- Sample Test(s)Test NameSubject(s)Topics / ChaptersQuestions / MarksActionTutorial - 9th - Chemistry [Is Matter Around Us Pure I]ChemistryIs Matter Around Us Pure I10 / 10View All FREE Test(s)
A pure substance consists of a single type of particles. Most of the matter around us exist as mixtures of two or more pure components, for example, sea water, minerals, soil etc. are all mixtures. In this section of Is Matter Around Us Pure Centrifugation Churning, Chromatography, Crystallization, Distillation, Evaporation, Filtration, Fractional Distillation, Hand Picking Technique, Magnetic Separation, Purification of water, Sedimentation, Separation of the constituents of air, Sieving Technique, Sublimation, Use of Separating Funnel, etc. have been explained. Watch the videos and master the concepts
- Sample Test(s)Test NameSubject(s)Topics / ChaptersQuestions / MarksActionTutorial - 9th - Chemistry [Is Matter Around Us Pure II]ChemistryIs Matter Around Us Pure II10 / 10View All FREE Test(s)
In this Section of Atom, Molecule and ions we will read Atomic Mass Unit, Atomicity, Atoms, Characteristics of Atoms, Compound Molecules, Elementary Molecules, Formula of Binary Compounds, Gram Atomic Mass, Ions, Law of Conservation of Mass or Matter, Law of Constant or Definite Proportion, Laws of Chemical Combination, Molecule, Postulates of Dalton Atomic Theory, Properties of Molecules, Relative Atomic Mass, Rules for assigning Symbols, Size of an Atom, Types of Molecules, Valency, Valency of an Ion, Variable Valency, etc., Watch the videos and master the concepts
- Sample Test(s)Test NameSubject(s)Topics / ChaptersQuestions / MarksActionTutorial - 9th - Chemistry [Atom Molecules and Ions I]ChemistryAtom Molecules and Ions I10 / 10View All FREE Test(s)
In this section of Atom, Molecules and Ions we will read Chemical Equations, Empirical Formula, Formula Unit Mass, Gram Molecular Mass, Molecular Formula, Moleculas Mass and Relative Molecular Mass, Percentage Composition, Radicals, Relation Between Empirical and Molecular Formulae, Significance of the Mole, The Mole Concept, Writing Formula on The Basis of Valency, etc., Watch the videos and master the concepts
- Sample Test(s)Test NameSubject(s)Topics / ChaptersQuestions / MarksActionTutorial - 9th - Chemistry [Atom Molecules and Ions II]ChemistryAtom Molecules and Ions II10 / 10View All FREE Test(s)
Atomic structure comprises of a nucleus in which protons, neutrons, electrons are present. The structure of atom can be understood with Dalton, Thomson, or Rutherford Model. In this section of Atomic Structure Anode rays, Cathode Rays, Characteristics of Electrons, Characteristics of Protons, Defects of Rutherford Model, Discharge of Electricity through Gases, Discovery of Neutrons, Origin of Cathode Rays, Origin of Positive rays, Properties of Anode Rays, Properties of Cathode Rays, etc. have been explained. Watch the videos and master the concepts
- Sample Test(s)Test NameSubject(s)Topics / ChaptersQuestions / MarksActionMOCK (F) - 9th - Chemistry [Atomic Structure I, Atomic Structure II]ChemistryAtomic Structure I, Atomic Structure II10 / 10Tutorial - 9th - Chemistry [Atomic Structure I]ChemistryAtomic Structure I10 / 10View All FREE Test(s)
Atomic structure comprises of a nucleus in which protons, neutrons, electrons are present. The structure of atom can be understood with Bohr Model of the Atom. In this section of Atomic Structure Atomic Number, Bohr Model of The Atom Modern Atomic Theory, Combining Capacity or Valency of Elements, Electronic Configuration, Formation of Ions, Isobars, Isotopes, Mass Number, Significance of Electronic Configuration, Subshells, Valence Shell and Valence Electrons, etc. have been explained. Watch the videos and master the concepts
- Sample Test(s)Test NameSubject(s)Topics / ChaptersQuestions / MarksActionMOCK (F) - 9th - Chemistry [Atomic Structure I, Atomic Structure II]ChemistryAtomic Structure I, Atomic Structure II10 / 10Tutorial - 9th - Chemistry [Atomic Structure II]ChemistryAtomic Structure II10 / 10View All FREE Test(s)
Natural resources are resources that exist without any human intervention. In this section of Natural Resources Ammonification, Biogeochemical Cycles, Carbon Cycle, Cycling of Materials, De-Nitrification, Functions of various nutrient cycle, Management and Conservation of Natural Resources, Nitrification, Nitrogen Cycle As Resource, Nitrogen Fixation, Oxygen Cycle, Water Cycle, etc. have been explained. Watch the videos and master the concepts
- Sample Test(s)Test NameSubject(s)Topics / ChaptersQuestions / MarksActionTutorial - 9th - Chemistry [Natural Resources II]ChemistryNatural Resources II10 / 10View All FREE Test(s)
Natural resources are resources that exist without any human intervention. In this section of Natural Resources Air, Air Pollution, Atmosphere, Biosphere, Condensation and Precipitation, Constituents of Soil, Depletion of Ozone Layer, Effects of Manure and Fertilizer on Soil, Effects of Pesticides, Environment, Function of Soil, Hydrosphere, Importance of Water, Improving Soil Fertility, Lithosphere, Necessity of Water, Pollution Caused by Burning of Coal, Pollution caused by burning of Fossil Fuels, Pollution caused by Burning of Petroleum Based Fuel, Man, etc. have been explained. Watch the videos and master the concepts
- Sample Test(s)Test NameSubject(s)Topics / ChaptersQuestions / MarksActionTutorial - 9th - Chemistry [Natural Resources I]ChemistryNatural Resources I10 / 10View All FREE Test(s)
Explore Concepts (Click & View)
- Substance
- Classification of matter
- Physical nature of Matter
- Matter is made up of particles
- Particles of matter are too small to be imagined
- Particles of some matter are in constant motion
- Particles of matter attract each other
- Particles of matter have spaces between them
- General Properties of Solids
- General Properties of Liquids
- Shape and Volume of Solid Liquid and Gases
- Density
- Melting point and boiling point
- Compressibility
- Fluidity
- Expansion or contraction
- Factors affecting evaporation
- Evaporation causes cooling
Explore Concepts (Click & View)
- General Properties of Gases
- Effect of heating and cooling
- Diffusion of gases
- Condensation of gases
- Pressure exerted by gas
- Interconvertibility of the States of Matter
- Freezing
- Difference between steam and boiling water
- Boiling and boiling point
- Vaporization
- Measurement of temperature
- Difference between Gas and Vapour
- Absorption of Heat
- Plasma state of matter
- Bose Einstein Condensate
Explore Concepts (Click & View)
- Physical and Chemical Change
- Pure Substances
- Elements
- Compound
- Mixture
- Properties of Mixture
- Types of Mixtures
- Solutions
- Solute and Solvent
- Aqueous and Non Aqueous Solution
- Saturated and Unsaturated Solution
- Solubility
- Effect of Temperature and Pressure on Solubility
- Suspension
- Colloids
- Tyndall Effect
- Different Types of Colloids
- Concentration of Solution Percentage by Mass
- Concentration of Solution Percentage by Volume
Explore Concepts (Click & View)
- Hand Picking Technique
- Sieving Technique
- Sedimentation Technique
- Centrifugation Or Churning
- Filtration Technique
- Magnetic Separation
- Sublimation Technique
- Evaporation Technique
- Crystallization
- Distillation Technique
- Fractional Distillation
- Use of Separating Funnel
- Chromatography Technique
- Separation of the constituents of air
- Purification of water
Explore Concepts (Click & View)
- Laws of Chemical Combination
- Law of Conservation of Mass or Matter
- Law of Constant or Definite Proportion
- Postulates of Dalton Atomic Theory
- Atoms
- Characteristics of Atoms
- Size of an Atom
- Rules for assigning Symbols
- Gram Atomic Mass
- Relative Atomic Mass
- Atomic Mass Unit
- Molecule
- Properties of Molecules
- Atomicity
- Ions
- Valency
- Valency of an Ion
- Variable Valency
- Formula of Binary Compounds
- Symbols of Atoms and elements
Explore Concepts (Click & View)
- Empirical Formula
- Molecular Formula
- Relation Between Empirical and Molecular Formulae
- Radicals
- Molecular Mass and Relative Molecular Mass
- Gram Molecular Mass
- Formula Unit Mass
- Chemical Equations
- The Mole Concept
- Significance of the Mole
- Percentage Composition
Explore Concepts (Click & View)
- Discharge of Electricity through Gases
- Cathode Rays
- Properties of Cathode Rays
- Characteristics of Electrons
- Anode rays
- Properties of Anode Rays
- Characteristics of Protons
- Thomsons Model of the Atom
- Rutherford Experiment
- Rutherford Model of the Atom
- Defects of Rutherford Model
- Discovery of Neutrons
Explore Concepts (Click & View)
- Bohr Model of The Atom Modern Atomic Theory
- Electronic Configuration
- Significance of Electronic Configuration
- Subshells
- Valence Shell and Valence Electrons
- Atomic Number
- Mass Number
- Isotopes
- Isobars
- Combining Capacity or Valency of Elements
- Formation of Ions
Explore Concepts (Click & View)
- Management and Conservation of Natural Resources
- Cycling of Materials
- BiogeoChemical Cycles
- Carbon Cycle
- Nitrogen Cycle As Resource
- Nitrogen Fixation
- Ammonification
- Nitrification
- De-Nitrification
- Water Cycle
- Oxygen Cycle
- Functions of various nutrient cycle
Explore Concepts (Click & View)
- Environment
- Atmosphere
- Hydrosphere
- Lithosphere
- Biosphere
- Air
- Uses of Air
- Sea breeze and Land Breeze
- Condensation and Precipitation
- Air Pollution
- Sources of Air Pollution
- Pollution due to Natural Cause
- Pollution Caused by Man
- Pollution Caused by Burning of Coal
- Pollution caused by burning of Fossil Fuels
- Pollution caused by Burning of Petroleum Based Fuel
- Depletion of Ozone Layer
- Water As A Resource
- Sources of Water
- Necessity of Water
- Importance of Water
- Water Pollution As Resource Management
- Soil
- Constituents of Soil
- Soil Formation
- Types of Soil
- Function of Soil
- Improving Soil Fertility
- Soil Erosion
- Effects of Manure and Fertiliser on Soil
- Effects of Pesticides
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