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Chemical reactions: Chemical equation, Balanced chemical equation, implications of a balanced che...
Acids, bases and salts: Their definitions in terms of furnishing of H+ and OH– ions, General prop...
Metals and non metals: Properties of metals and non-metals; Reactivity series; Formation and prop...
Carbon compounds: Covalent bonding in carbon compounds. Versatile nature of carbon.
Homologous se...
Periodic classification of elements: Need for classification, Modern periodic table, gradation in...
Life processes: 'Living Being'. Basic concept of nutrition, respiration, transport and excretion ...
Control and co-ordination in animals and plants: Tropic movements in plants; Introduction of plan...
Reproduction: Reproduction in animals and plants (asexual and sexual) reproductive health-need an...
Heredity and Evolution: Heredity; Mendel's contribution- Laws for inheritance of traits: Sex dete...
Reflection of light by curved surfaces; Images formed by spherical mirrors, centre of curvature, ...
Most Important QuestionsStrictly CBSE exam level questionsAll questions are of NCERT abd previous...
Electric current, potential difference and electric current. Ohm's law; Resistance, Resistivity, ...
Magnetic effects of current : Magnetic field, field lines, field due to a current carrying conduc...
Sources of energy: Different forms of energy, conventional and non-conventional sources of energy...
Our environment: Eco-system, Environmental problems, Ozone depletion, waste production and their ...
