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Class 11 | Science Olympiad | Online practice tests (Chemistry)

  • 15 Online chapter-wise practice tests in Chemistry for Class 11 students preparing for Science Olympiad and assessment exams like National Science Olympiad (NSO), iOS, IAIS Science, ASSET Science, NISO and NSTSE..

 

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Chapter | Environmental chemistry

Pollution - air, water and soil pollution, chemical reactions in atmosphere, smog, major atmospheric pollutants, acid rain, ozone and its reactions, effects of depletion of ozone layer, greenhouse effect and global warming- pollution due to industrial wastes.

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Chapter | Hydrocarbons

Classification of Hydrocarbons, physical properties, chemical reactions including free radical mechanism of halogenation, combustion and pyrolysis. Alkenes, geometrical isomerism, physical properties, methods of preparation, chemical reactions: addition of hydrogen, halogen, water, hydrogen halides.

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Chapter | Organic chemistry

Methods of purification, qualitative and quantitative analysis, classification and IUPAC nomenclature of organic compounds. Electronic displacements in a covalent bond, Homolytic and heterolytic fission of a covalent bond.

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Chapter | S Block elements

Preparation and properties of Some important compounds: Sodium Carbonate, Sodium Chloride, Sodium Hydroxide and Sodium Hydrogencarbonate, Biological importance of Sodium and Potassium. Calcium Oxide and Calcium Carbonate and their industrial uses.

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Chapter | P Block elements

Boron - physical and chemical properties, Borax, Boric acid, Boron Hydrides, Aluminium: Reactions with acids and alkalies, uses. Group 14 Elements, Carbon-catenation.

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Chapter | Hydrogen

Hydrogen in the periodic table, occurrence, isotopes, preparation, properties and uses of hydrogen, hydrides-ionic covalent and interstitial; physical and chemical properties of water, heavy water, hydrogen peroxide -preparation, reactions and structure and use; hydrogen as a fuel.

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Chapter | Redox reactions

Concept of oxidation and reduction, redox reactions, oxidation number, balancing redox reactions, in terms of loss and gain of electrons and change in oxidation number, applications of redox reactions.

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Chapter | Equilibrium

Le Chatelier's principle, ionic equilibrium- ionization of acids and bases, strong and weak electrolytes, degree of ionization, ionization of poly basic acids, acid strength, concept of pH, Henderson Equation, hydrolysis of salts (elementary idea), buffer solution, solubility product, common ion effect.

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Chapter | States of matter

Boyle's law, Charles law, Gay Lussac's law, Avogadro's law, ideal behaviour, empirical derivation of gas equation, Avogadro's number, ideal gas equation.

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Chapter | Chemical bonding

Valence electrons, ionic bond, covalent bond, bond parameters, Lewis structure, polar character of covalent bond, covalent character of ionic bond, valence bond theory, resonance, geometry of covalent molecules, VSEPR theory, concept of hybridization, involving s,p and d orbitals.

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Chapter | Classification of elements

Modern periodic law and the present form of periodic table, periodic trends in properties of elements -atomic radii, ionic radii, inert gas radii, Ionization enthalpy, electron gain enthalpy, electronegativity, valency.

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Chapter | Structure of atom

Thomson's model and its limitations. Rutherford's model and its limitations, Bohr's model and its limitations, concept of shells and subshells, dual nature of matter and light, de Broglie's relationship, Heisenberg uncertainty principle.

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Chapter | Thermodynamics

First law of thermodynamics, Hess's law of constant heat summation, enthalpy of bond dissociation, combustion, formation, atomization. Second law of Thermodynamics, Introduction of entropy as a state function, Gibb's energy change, Third law of thermodynamics (brief introduction).

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Chapter | Some Basic Concepts of Chemistry

General Introduction: Importance and scope of chemistry. Nature of matter, laws of chemical combination, Dalton's atomic theory: concept of elements, atoms and molecules. Atomic and molecular masses, mole concept and molar mass, percentage composition, empirical and molecular formula, chemical reactions, stoichiometry and calculations based on stoichiometry.

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