Download NCERT Solutions for Class 10 Science of 2021 – 2022 English medium and Hindi Medium. NCERT Solutions for all subjects in order to get good marks in CBSE board exams. There will be full syllabus exams for class 10 from the academic year 2019 onward. The annual examination will be of 80 marks and 20 marks weightage shall be for internal assessment. The complete solutions of every chapter, including the answers of the questions given in between the chapters, is given below to download free. NCERT books and a revision book (based on NCERT Syllabus) will add up the comfort in case of online study. Also download solutions for Maths and Hindi.

NCERT Solutions for Class 10 Science

Download – NCERT Solutions for Class 10 Science

Chapter 1: Chemical Reactions and Equations

This chapter covers balancing of a chemical reaction, types of chemical reactions like Combination  reactions, Decomposition reactions, Displacement reactions, Double displacement reactions and Redox reactions ( Oxidation and Reduction reactions). Meaning of Precipitation and Neutralization reactions.

  • Page 6
  • Page 10
  • Page 13
  • Exercises
  • Hindi Medium Chapter 1
  • NCERT Book Chapter 1
  • Study Material English Medium
  • Study Material Hindi Medium
  • NCERT Exemplar Problems
  • NCERT Books in PDF form
  • NCERT Books in ZIP form

Chapter 2: Acids, Bases and Salts

Definitions of Acid and Bases in terms of H+ and OH- ions, Meaning, examples, uses (without using log table) and importance in daily life of pH scale. Preparation and uses of some important chemicals in day to day life as Sodium Hydroxide, Bleaching Powder, Baking Soda (calcium hydrogen carbonate), Washing Soda (calcium carbonate) and Plaster of Paris.

  • Page 18
  • Page 22
  • Page 25
  • Page 28
  • Page 33
  • Exercises
  • Hindi Medium Chapter 2
  • NCERT Book Chapter 2
  • Study Material English Medium
  • Study Material Hindi Medium

Chapter 3: Metals and Non – Metals

Physical and Chemical properties of metal and non-metals, Reactivity series and its importance in chemical reaction. Formation of simple ionic compounds like NaCl, Magnesium Chloride, etc. and its properties (Boiling point, Melting point, Solubility and reactivity) on the basis of the bond. Definition of corrosion and its prevention.

  • Page 40
  • Page 46
  • Page 49
  • Page 53
  • Page 55
  • Exercises
  • Hindi Medium Chapter 3
  • NCERT Book Chapter 3
  • Study Material English Medium
  • Study Material Hindi Medium

Chapter 4: Carbon and its Compounds

Carbon compounds having covalent bonding, versatile nature of carbon to form large number of compounds. Homologous series, nomenclature of carbon compounds having functional groups – Halogens, Alkanes, Alkenes, Alkynes, Alcohol, Ketones and Aldehydes. Chemical properties of hydrocarbons, saturated and unsaturated hydrocarbons, properties and uses of Ethanol and Ethanoic acid. Difference between soaps and detergents.

  • Page 61
  • Page 68
  • Page 71
  • Page 74
  • Page 76
  • Exercises
  • Hindi Medium Chapter 4
  • NCERT Book Chapter 4
  • Study Material English Medium
  • Study Material Hindi Medium

Chapter 5: Periodic Classification of Elements

Why we need to classify the elements? Series of attempts made by scientists – Deboreiner's Triads, Newland's Law of Octaves, Mendeleev's Periodic table and Henry Mosley – Modern Periodic table. Changing in properties of elements in moving left to right, top to bottom, valency, atomic number, metallic or non-metallic properties.

  • Page 81
  • Page 85
  • Page 90
  • Exercises
  • Hindi Medium Chapter 5
  • NCERT Book Chapter 5
  • Study Material English Medium
  • Study Material Hindi Medium

Chapter 6: Life Processes

Elementary symptoms of a living or non-living objects. Different sources of energy and their needs in living organisms depending on their body design.  Basic concepts of Nutrition, Respiration, Transportation and Excretion in living being (Plants and Animals).

  • Page 95
  • Page 101
  • Page 105
  • Page 110
  • Page 112
  • Exercises
  • Hindi Medium Chapter 6
  • NCERT Book Chapter 6
  • Study Material English Medium
  • Study Material Hindi Medium

Chapter 7: Control and Coordination

Response to stimuli by plants – Phototropism, Geo-tropism, Chemo-tropism, etc., Plant hormones – Auxin, Gibberellins, Cytokinins and Abscisic acid. Control and coordination in Plant and Animals (Nervous system, Voluntary and involuntary actions, reflex arc and reflex action, Chemical coordination in animal – Animal Hormones – Growth hormones, Insulin, Thyroxin, etc.

  • Page 119
  • Page 122
  • Page 125
  • Exercises
  • Hindi Medium Chapter 7
  • NCERT Book Chapter 7
  • Study Material English Medium
  • Study Material Hindi Medium

Chapter 8: How do Organisms Reproduce?

Reproduction in plants and animals – Asexual and Sexual. Different methods in plants – Binary & Multiple Fission, Regeneration, Budding, Spore formation and Vegetative propagation. Reproductive health and methods of family planning – Barrier, Surgical and Chemical Methods. Sexually Transmitted Disease (STD) – HIV/AIDS, Syphilis, Warts, etc.

  • Page 128
  • Page 133
  • Page 140
  • Exercises
  • Hindi Medium Chapter 8
  • NCERT Book Chapter 8
  • Study Material English Medium
  • Study Material Hindi Medium

Chapter 9: Heredity and Evolution

Meaning of Heredity & Evolution, Mendel's Experiment – Laws of inheritance of traits. Sex determination in human being and other animals. Inherited and Acquired traits, Concepts of evolution – Species evolution, Changes in traits, determination of age of fossils.

  • Page 143
  • Page 147
  • Page 150
  • Page 151
  • Page 156
  • Page 158
  • Exercises
  • Hindi Medium Chapter 9
  • NCERT Book Chapter 9
  • Study Material English Medium
  • Study Material Hindi Medium

Chapter 10: Light – Reflection and Refraction

Reflection of light by Convex/Concave mirror/lens. Image formation by spherical mirrors/lens. Uses of spherical mirror and lens. Definition of Centre of curvature, principal axis, focus, focal length and magnification. Laws of reflection and refraction – Snell's law. Mirror and lens formula and numerical based on it.

  • Page 168
  • Page 171
  • Page 176
  • Page 184
  • Exercises
  • Hindi Medium Chapter 10
  • NCERT Book Chapter 10
  • Study Material English Medium
  • Study Material Hindi Medium

Chapter 11: Human Eye and Colourful World

Structure and functions of eye lens in human, function of Iris, Pupil, Crystalline lens, Ciliary muscles, cornea, retina. Defects of eye (Myopia, Hypermetropia and Presbyopia) and their corrections. Applications of spherical mirrors. Dispersion of light, Refraction of light through a prism, scattering of light by atmosphere and applications of scattering in daily life.

  • Page 190
  • Exercises
  • Hindi Medium Chapter 11
  • NCERT Book Chapter 11
  • Study Material English Medium
  • Study Material Hindi Medium

Chapter 12: Electricity

Flow of Charges, Electric current and Potential difference. Ohm's law (V = IR), Resistance and resistivity of a conductor, Factor affecting the resistance of a conductor. Total resistance in series and parallel. Advantages of connecting circuits in parallel as compared to series. Applications of heating effects of current in daily life. Electric power, Calculation of electric bill in kwh (commercial units) and use of different relations of P, V, I and R.

  • Page 200
  • Page 202
  • Page 209
  • Page 213
  • Page 216
  • Page 218
  • Page 220
  • Exercises
  • Hindi Medium Chapter 12
  • NCERT Book Chapter 12
  • Study Material English Medium
  • Study Material Hindi Medium

Chapter 13: Magnetic Effect of Electric Current

Magnetic field due to current carrying conductor, magnetic field line of bar magnet and solenoids. Force on current carrying conductor and its direction according to Fleming's Left Hand Rule, Electric motor and generator. Induced potential difference due to electromagnetic inductions and induced current. Direction of current according to Fleming's Right Hand Rule, Difference between direct and alternative current. advantages and frequency of AC over DC and domestic circuits.

  • Page 224
  • Page 228
  • Page 229 – 230
  • Page 231 – 232
  • Page 233
  • Page 236
  • Page 237
  • Page 238
  • Exercises
  • Hindi Medium Chapter 13
  • NCERT Book Chapter 13
  • Study Material English Medium
  • Study Material Hindi Medium

Chapter 14: Sources of Energy

Different forms of energy – Wind, Flowing water, Tidal, Ocean Thermal, Solar, Thermal power plant. Conventional and non-conventional sources, Renewable and non-renewable source of energy. Nuclear energy – Its advantages and hazards.

  • Page 243
  • Page 248
  • Page 253
  • Page 254
  • Exercises
  • Hindi Medium Chapter 14
  • NCERT Book Chapter 14
  • Study Material English Medium
  • Study Material Hindi Medium

Chapter 15: Our Environment

Eco-System – Biotic and Abiotic components of ecosystem. Environment problems about Ozone layer depletion, waste product management. Difference between biodegradable and non-biodegradable substances.

  • Page 257
  • Page 261
  • Page 264
  • Exercises
  • Hindi Medium Chapter 15
  • NCERT Book Chapter 15
  • Study Material English Medium
  • Study Material Hindi Medium

Chapter 16: Management of Natural Resources

Conservation of natural resources – Forest, Fossil fuel (Coal and Petroleum), water, etc. Advantages/disadvantages of construction of dam. Water harvesting and its traditional method in different states of India. Chipko movement to protect Khejri trees.

  • Page 269
  • Page 273
  • Page 276
  • Exercises
  • Hindi Medium Chapter 16
  • NCERT Book Chapter 16
  • Study Material English Medium
  • Study Material Hindi Medium
  • NCERT Exemplar Problems
  • NCERT Books in PDF format
  • NCERT Books in ZIP form

Design of Question Papers for 2020 – 2021

  • Question paper will consist of 27 questions.
  • All questions would be compulsory. An internal choice will be provided in two questions of 3 marks each and one question of five marks.
  • One question of 3 marks will be included to assess the values inherent in the texts.

Conclusion – Science

The subject of NCERT Solutions for Class 10 Science plays an important role in developing abilities in cognitive and effective in children. Science is to understand not to learn. It augments the spirit of inquiry, creativity, objectivity and aesthetic sensibility. All most all the chapters are based on daily life so you should relate the thing with common activities, our environment, surrounding, Natural Phenomenon, Natural Resources and our body etc. For example the biology chapter provides a complete view of our body parts & their functions, hormones and their effects on the organs, traits from one generation to another generation and evolution of living being and human also. All these topic are arranged in such a way that they provide a curiosity about all the things.