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Chapter 1

CHEMICAL REACTIONS AND EQUATIONS

Duration: 120 Minutes

  1. Chemical Equations
    1. Writing a Chemical Equation
    2. Balanced Chemical Equation
  2. Types of Chemical Reaction
    1. Combination Reaction
    2. Decomposition Reaction
    3. Double Displacement Reaction
    4. Oxidation and Reduction
  3. Have You Observed the Effects of Oxidation Reactions in Everyday Life?
    1. Corrosion
    2. Rancidity
...

Chapter 2

ACIDS BASES AND SALTS

Duration: 120 Minutes

  1. Understanding the Chemical Properties of Acids and Bases
    1. Acids and Bases in Laboratory
    2. How do Acids and Bases React with Metals?
    3. How do Metal Carbonates and Metal Hydrogen carbonates react with Acids?
    4. How do Acids and Bases React with each other?
    5. Reaction of Metallic Oxides with Acids
    6. Reaction of a Non-metallic Oxide with Base
  2. What do all Acids and all Bases have in common?
    1. What Happens to an Acid or a Base in a Water Solution?
  3. How Strong are Acid or Base Solutions?
  4. Importance of pH in Everyday Life
    1. Are plants and animals pH sensitive?
    2. What is the pH of the soil in your backyard?
    3. pH in our digestive system
    4. pH change as the cause of tooth decay
    5. Self defence by animals and plants through chemical warfare
  5. More About Salts
    1. Family of Salts
    2. pH of Salts
    3. Chemicals from Common salt
    4. Are the Crystals of Salts really Dry?
...

Chapter 3

METALS AND NON METALS

Duration: 120 Minutes

  1. Physical Properties
    1. Metals
    2. Non-metals
  2. Chemical Properties of metals
    1. What happens when Metals are burnt in Air?
    2. What happens when Metals react with Water?
    3. What happens when Metals react with Acids?
    4. How do Metals react with Solutions of other Metal Salts?
    5. The Reactivity Series
  3. How do Metals and Nonmetals react?
    1. Properties of Ionic Compounds
  4. Occurrence of Metals
    1. Extraction of Metals
    2. Enrichment of Ores
    3. Extracting Metals Low in the Activity Series
    4. Extracting Metals in the Middle of the Activity Series
    5. Extracting Metals towards the Top of the Activity Series
    6. Refining of Metals
  5. Corrosion
    1. Prevention of Corrosion
...

Chapter 5

PERIODIC CLASSIFICATION OF ELEMENTS

Duration: 120 Minutes

  1. Making Order Out of Chaos - Early Attempts at the Classification of Elements
    1. Döbereiner’s Triads
    2. Newland’s Law of Octaves
  2. Making Order Out of Chaos - Mendeléev’s Periodic Table
    1. Achievements of Mendeléev’s Periodic Table
    2. Limitations of Mendeléev’s Classification
  3. Making Order Out of Chaos - The Modern Periodic Table
    1. Position of Elements in Modern Periodic Table
    2. Trends in the Modern Periodic Table
...

Chapter 6

LIFE PROCESSES

Duration: 120 Minutes

  1. What are Life Processes
  2. Nutrition
    1. Autotrophic Nutrition
    2. How do Organisms obtain their Nutrition
    3. Nutrition in Human Beings
  3. Respiration
  4. Transportation
    1. Transportation in Human Beings
      1. Our Pump - The Heart
      2. Oxygen enters the blood in the lung
      3. The tubes - blood vessels
      4. Maintenance by Platelets
      5. Lymph
    2. Transportation in Plants
      1. Transportation of water
      2. Transportation of food and other substances
  5. Excretion
    1. Excretion in Human beings
    2. Excretion in Plants
...

Chapter 7

CONTROL AND COORDINATION

Duration: 120 Minutes

  1. Animals - Nervous System
    1. What happens in Reflex Actions?
    2. Human Brain
    3. How are these Tissues protected?
    4. How does the nervous Tissue cause Action?
  2. Coordination in Plants
    1. Immediate Response to Stimulus
    2. Movements Due to Growth
  3. Hormones in Animals
...

Chapter 8

HOW DO ORGANISMS REPRODUCE

Duration: 120 Minutes

  1. Do Organisms Create Exact Copies of Themselves?
    1. The importance of Variation
  2. Modes of Reproduction Used by Single Organisms
    1. Fission
    2. Fragmentation
    3. Regeneration
    4. Budding
    5. Vegetative Propagation
    6. Spore Formation
  3. Sexual Reproduction
    1. Why the Sexual Mode of Reproduction?
    2. Sexual Reproduction in Flowering Plants
    3. Reproduction in Human Beings
      1. Male Reproductive System
      2. Female Reproductive System
      3. What happens when the Egg is not Fertilised?
      4. Reproductive Health
...

Chapter 9

HEREDITY AND EVOLUTION

Duration: 120 Minutes

  1. Accumulation of Variation during Reproduction
  2. Heredity
    1. Inherited Traits
    2. Rules for the Inheritance of Traits - Mendel’s Contributions
    3. How do these Traits get Expressed?
    4. Sex Determination
  3. Evolution
    1. An Illustration
    2. Acquired and Inherited Traits
  4. Speciation
  5. Evolution and Classification
    1. Tracing Evolutionary Relationships
    2. Fossils
    3. Evolution by Stages
  6. Evolution should not be Equated with ‘Progress’
    1. Human Evolution
...

Chapter 10

LIGHT - REFLECTION AND REFRACTION

Duration: 120 Minutes

  1. Reflection of Light
  2. Spherical Mirrors
    1. Image Formation by Spherical Mirrors
    2. Representation of Images Formed by Spherical Mirrors Using Ray Diagrams
      1. Uses of Concave Mirrors
      2. Uses of Convex Mirrors
    3. Sign Convention for Reflection by Spherical Mirrors
    4. Mirror Formula and Magnification
  3. Refraction of Light
  4. Refraction through a Rectangular Glass Slab
  5. The Refractive Index
  6. Refraction by Spherical Lenses
  7. The Refractive Index
  8. Image Formation by Lenses
  9. Image Formation in Lenses Using Ray Diagrams
  10. Sign Convention for Spherical Lenses
  11. Lens Formula and Magnification
  12. Power of a Lens
...

Chapter 11

HUMAN EYE AND COLOURFUL WORLD

Duration: 120 Minutes

  1. The Human Eye
    1. Power of Accommodation
  2. Defects of Vision and Their Correction
    1. Myopia
    2. Hypermetropia
    3. Presbiopia
  3. Refraction of Light Through a Prism
  4. Dispersion of White Light by a Glass Prism
  5. Atmospheric Refraction
    1. Twinkling of Stars
    2. Advance Sunrise and Delayed Sunset
  6. Scattering of Light
    1. Tyndall Effect
    2. Why is the colour of the clear Sky Blue?
    3. Colour of the Sun at Sunrise and Sunset
...

Chapter 12

ELECTRICITY

Duration: 120 Minutes

  1. Electric Current and Circuit
  2. Electric Potential and Potential Difference
  3. Current Diagram
  4. Ohm’s Law
  5. Factors on Which the Resistance of a Conductor Depends
  6. Resistance of a System of Resistors
    1. Resistors in Series
    2. Resistors in Parallel
    3. Heating Effect of Electric Current
    4. Practical Application of Heating Effect of Electric Current
  7. Electric Power
...

Chapter 13

MAGNETIC EFFECTS OF ELECTRIC CURRENT

Duration: 120 Minutes

  1. Magnetic Field and Field Lines
  2. Magnetic Field due to a Current-Carrying Conductor
    1. Magnetic Field due to a Current through a Straight Conductor
    2. Right-Hand Thumb Rule
    3. Magnetic Field due to a Current through a Circular Loop
    4. Force on a Current-Carrying Conductor in a Magnetic Field
  3. Electric Motor
  4. Electromagnetic Induction
  5. Electromagnetic Induction
  6. Electric Generator
  7. Domestic Electric Circuits
...

Chapter 14

SOURCES OF ENERGY

Duration: 120 Minutes

  1. What is a Good Source of Energy?
  2. Conventional Sources of Energy
    1. Fossil Fuels
    2. Thermal power Plant
    3. Hydro Power Plants
    4. Improvement in the Technology for using Conventional Sources of Energy
      1. Biomass
      2. Wind Energy
  3. Alternative or Nonconventional Sources of Energy
    1. Solar Energy
    2. Energy from the Sea
      1. Tidal Energy
      2. Wave Energy
      3. Ocean Thermal Energy
    3. Geothermal Energy
    4. Nuclear Energy
  4. Environmental Consequences
  5. How Long will an Energy Source Last?
...

Chapter 15

OUR ENVIRONMENT

Duration: 120 Minutes

  1. What Happens When We Add Our Waste to the Environment?
  2. Ecosystem - What Are Its Components
    1. Food Chains and Webs
  3. How do Our Activities Affect the Environment?
    1. Ozone Layer and How is it Getting Depleted
    2. Managing the Garbage We Produce
...

Chapter 16

MANAGEMENT OF NATURAL RESOURCES

Duration: 120 Minutes

  1. Why do We Need to Manage Our Resources?
  2. Forests and Wildlife
    1. Stakeholders
    2. Sustainable Management
  3. Water for All
    1. Dams
    2. Water Harvesting
  4. Coal and Petroleum
  5. An Overview of Natural Resource Management
...

Chapter 4

CARBON AND ITS COMPOUNDS

Duration: 120 Minutes

  1.  Bonding in Carbon- The Covelent bond
  2. Versatile Nature Of Carbon
    1. Saturated and Unsaturated Carbon Compounds
    2. Chains, Branches and Rings
    3. Will You Be My Friend?
    4. Homologous Series
    5.  Nomenclature Of Crabon Compounds
  3. Chemical properties of Carbon Compounds
    1. Combustion
    2. Oxidation
    3. Addition Reaction
    4. Substitution Reaction
  4. Some Important Carbon Compounds- Ethanol and Ethanoic Acid
    1.  Properties of Ethanol
    2.  Properties of ethanoic Acid
  5. Soaps and Detergents
...
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Science is all about knowing and understanding concepts. And that focus becomes the criteria of quality study in class 10 of CBSE curriculum.

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1. Physics

From finding the secrets of the human eye to learning about the sources of energy, the chapters help you learn every topic. The electric current has the capacity to showcase magnetic effect.

·         Light reflection and refraction

·         Electricity

·         Human eye and colourful world

·         Magnetic effect of electric current

·         Sources of energy

·         Management of Natural Resources

2. Chemistry

The difference between chemical reactions and chemical equations become visible. Plus, the periodic table offers a clear idea of relationships between the elements.

·         Chemical Reactions and Equations

·         Metal and Non-metals

·         Periodic Classification of Elements

·         Acid, Bases and Salts

·         Carbon and its Compounds

·         Our Environment

3. Biology

The evolution requires years and the balance between various life processes. The organisms reproduce through certain techniques, which leads to heredity an evolution.

·         Life Processes

·         How Do Organism Reproduce

·         Heredity and Evolution

·         Control and Coordination

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  1. Q.No 1 - 22, 42, 64, 88, ?

    114

    112

    116

    110

    1/10  Next
  2. Q.No 2 - Look at this series: 2, 1, (1/2), (1/4), ... What number should come next?

    1/3

    1/8

    2/8

    1/16

  3. Q.No 3 - A bag contains 2 red, 3 green and 2 blue balls. Two balls are drawn at random. What is the probability that none of the balls drawn is blue?

    10/21

    11/21

    2/7

    5/7

  4. Q.No 4 - In the first 10 overs of a cricket game, the run rate was only 3.2. What should be the run rate in the remaining 40 overs to reach the target of 282 runs?

    6.25

    6.5

    6.75

    7

  5. Q.No 5 - 17, 14, 14, 11, 11, 8, 8 What comes next?

    8,5

    5,2

    7,7

    5,5

    None

  6. Q.No 6 - 2442 , 1222 , 614 , 312 ,163 , 90 , 55.75 Look at series carefully and find the wrong number

    1222

    312

    90

    614

    None of the above

  7. Q.No 7 - Look carefully for the pattern, and then choose which pair of numbers comes next 42, 40, 38, 35, 33, 31, 28

    25, 22

    26,23

    26, 24

    26,22

    None

  8. Q.No 8 - Look carefully for the pattern, and then choose which pair of numbers comes next 9, 16, 23, 30, 37, 44, 51

    59,66

    58,65

    54, 61

    56,62

    None

  9. Q.No 9 - Find the wrong number in the following series. 1250, 1322 , 1452, 1674, 2024 , 2544

    1250

    1674

    2544

    2024

    None

  10. Q.No 10 - Look at this series: 7, 10, 8, 11, 9, 12, ... What number should come next?

    7

    10

    12

    13

    None

    Prev 10/10