- 1 NCERT Solutions for Class 10 Science
- 1.1 NCERT Solutions for Class 10 Science Chapter 1 Chemical Reactions and Equations
- 1.2 NCERT Solutions for Class 10 Science Chapter 2 Acids Bases and Salts
- 1.3 NCERT Solutions for Class 10 Science Chapter 3 Metals and Non-metals
- 1.4 NCERT Solutions for Class 10 Science Chapter 4 Carbon and its Compounds
- 1.5 NCERT Solutions for Class 10 Science Chapter 5 Periodic Classification of Elements
- 1.6 NCERT Solutions for Class 10 Science Chapter 6 Life Processes
- 1.7 NCERT Solutions for Class 10 Science Chapter 7 Control and Coordination
- 1.8 NCERT Solutions for Class 10 Science Chapter 8 How do Organisms Reproduce
- 1.9 NCERT Solutions for Class 10 Science Chapter 9 Heredity and Evolution
- 1.10 NCERT Solutions for Class 10 Science Chapter 10 Light Reflection and Refraction
- 1.11 NCERT Solutions for Class 10 Science Chapter 11 Human Eye and Colourful World
- 1.12 NCERT Solutions for Class 10 Science Chapter 12 Electricity
- 1.13 NCERT Solutions for Class 10 Science Chapter 13 Magnetic Effects of Electric Current
- 1.14 NCERT Solutions for Class 10 Science Chapter 14 Sources of Energy
- 1.15 NCERT Solutions for Class 10 Science Chapter 15 Our Environment
- 1.16 NCERT Solutions for Class 10 Science Chapter 16 Management of Natural Resources
NCERT Solutions for Class 10 Science, consist of solved answers for all the chapters, with Intext exercises and NCERT exercises. This is good reference material for students who are preparing for Science subject of Class 10 final exams. Students can download these materials and use them as notes. The solutions provided here are in accordance with CBSE syllabus for Class 10 Science and curriculum formulated by CBSE board. These materials are prepared by our subject experts, who have given a detailed explanation of each question asked in the textbook.
NCERT Solutions for Class 10 Science
Chemical reactions: Chemical equation, Balanced chemical equation, implications of a balanced chemical equation, types of chemical reactions: combination, decomposition, displacement, double displacement, precipitation, neutralization, oxidation and reduction.
Acids, bases and salts: Their definitions in terms of furnishing of H+ and OH- ions, General properties, examples and uses, concept of pH scale (Definition relating to logarithm not required), importance of pH in everyday life; preparation and uses of Sodium Hydroxide, Bleaching powder, Baking soda, Washing soda and Plaster of Paris.
Metals and nonmetals: Properties of metals and non-metals; Reactivity series; Formation and properties of ionic compounds; Basic metallurgical processes; Corrosion and its prevention.
Carbon compounds : Covalent bonding in carbon compounds. Versatile nature of carbon. Homologous series. Nomenclature of carbon compounds containing functional groups (halogens, alcohol, ketones, aldehydes, alkanes and alkynes), difference between saturated hydrocarbons and unsaturated hydrocarbons. Chemical properties of carbon compunds (combustion, oxidation, addition and substitution reaction). Ethanol and Ethanoic acid (only properties and uses), soaps and detergents.
Periodic classification of elements : Need for classification, Early attempts at classification of elements (Dobereiner’s Triads, Newland’s Law of Octaves, Mendeleev’s Periodic Table), Modern periodic table, gradation in properties, valency, atomic number, metallic and non-metallic properties.
Life processes: ‘Living Being’. Basic concept of nutrition, respiration, transport and excretion in plants and animals.
Control and co-ordination in animals and plants: Topic movements in plants; Introduction of plant hormones; Control and co-ordination in animals; Nervous system; Voluntary, involuntary and reflex action; Chemical co-ordination: animal hormones.
Reproduction: Reproduction in animals and plants (asexual and sexual) reproductive health-need and methods of family planning. Safe sex vs HIV / AIDS. Child bearing and women’s health.
Heredity and Evolution: Heredity; Mendel’s contribution – Laws for inheritance of traits : Sex determination : brief introduction; Basic concepts of evolution.
Reflection of light at curved surfaces, Images formed by spherical mirrors, centre of curvature, principal axis, principal focus, focal length, mirror formula (Derivation not required), magnification.
Refraction; laws of refraction, refractive index.
Refraction of light by spherical lens, Image formed by spherical lenses, Lens formula (Derivation not required), Magnification. Power of a lens.
Functioning of a lens in human eye, defects of vision and their corrections, applications of spherical mirrors and lenses.
Refraction of light through a prism, dispersion of light, scattering of light, applications in daily life.
Electric current, potential difference and electric current. Ohm’s law; Resistance, Resistivity, Factors on which the resistance of a conductor depends. Series combination of resistors, parallel combination of resistors and its applications in daily life. Heating effect of electric current and its applications in daily life. Electric power, Inter relation between P, V, I and R.
Magnetic effects of current: Magnetic field, field lines, field due to a current carrying conductor, field due to current carrying coil or solenoid; Force on current carrying conductor, Fleming’s left hand rule. Electromagnetic induction. Induced potential difference, Induced current. Fleming’s Right Hand Rule, Direct current. Alternating current : frequency of AC. Advantage of AC over DC. Domestic electric circuits.
Sources of energy: Different forms of energy, conventional and non-conventional sources of energy : Fossil fuels, solar energy; biogas; wind, water and tidal energy; Nuclear energy. Renewable versus non-renewable sources of Energy.
Our environment: Eco-system, Environmental problems, Ozone depletion, waste production and their solutions. Biodegradable and non-biodegradable substances.
Management of natural resources: Conservation and judicious use of natural resources. Forest and wild life; Coal and Petroleum conservation. Examples of people’s participation for conservation of natural resources. Big dams: advantages and limitations; alternatives, if any. Water harvesting. Sustainability of natural resources.