Class X

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Wk. 1 & 2

Chapter 1: Periodic Properties

Definitions, trends in each property within groups & periods, the principles behind the trends, emphasizing the role of nuclear charge & atomic size.

Wk. 3 & 4

Chapter 2: Chemical Bonding

Ionic & covalent compounds: Characteristics & differences.

Lone pair of electrons & coordinate bond.

Electron dot diagrams

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Wk. 1, 2 & 3

Chapter 3: Acid, Base & Salt

Definitions of acid, base, salt, classification & characteristics of acid, types of salt.

pH scale

Preparation of salts

Wk. 4

Chapter 4: Analytical Chemistry

Identification of basic radicals Ca2+, Cu2+, Fe2+, Fe3+, Zn2+, Pb2+& (NH4)1+ using alkali.

Reactions of alkali with salt solutions and amphoteric metals, their oxide & hydroxides

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Wk. 1 & 2

Chapter 5: Mole Concept & Stoichiometry

Introduction of mole concept.

Avogadro's law -statement & explanation;

Gay-Lussac's law-statement & explanation.

Simple calculations based on mole concept

molar vol. & Gay-Lussac’s law

Wk. 3 & 4

Vapour density

Empirical formula & molecular formula from percentage composition.

Calculations based on chemical equations

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Wk. 1 & 2

Chapter 6: Electrolysis

Definitions of electrolysis, electrolytes, cathode anode cations & anions. Electrolytes- strong, weak & nonelectrolytes

Process of electrolysis as redox reaction; Selective discharge of ions.

Wk. 3 & 4

Chapter 6: Continued

Electrolysis of molten lead bromide, acidulated water, CuSO4 solution with Cu electrodes.

Application of electrolysis

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Wk. 1

Chapter 7: Metallurgy

Ores & minerals; common ores of Zn, Fe & Al. Stages involved in extraction of metals; roasting & calcination.

Extraction of Al: Baeyer’s process & Hall-Heroult’s process

Alloy: Composition & uses

Wk.2, 3 & 4

Chapter 8A & B: HCl & NH3

Laboratory preparation of HCl gas & manufacture of HCl acid.

Reactions of HCl & fountain experiment.

Laboratory preparation of NH3 and from nitrides.

Haber’s process. Reactions & uses of NH3

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Wk. 1 & 2

Chapter 8C & D: HNO3 & H2SO4

Laboratory preparation of HNO3 ; Ostwald’s process. HNO3 as an oxidizing agent- reactions with Cu, C & S. Contact process to manufacture H2SO4. Its behaviour as an acid when dilute, as an oxidising agent when concentrated, as a dehydrating agent and nonvolatile acid.

Wk. 3 & 4

Chapter 9: Organic Chemistry

Introduction, Catenation & unique property of carbon.

Nomenclature & structures of organic compounds.

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Wk. 1, 2 & 3

Chapter 9: Organic Chemistry

Isomers & isomerism.

Preparation, reactions & uses of methane, ethane, ethene, ethyne & ethanol. Esterification, properties & uses of acetic acid.

Wk. 4

Practical Chemistry

Test for identification of gases and acid radicals.

Identification of basic radicals using alkali.

To distinguish between CuO & MnO2

To distinguish between acid alkali.

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SOLVING ICSE PAPERS

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REVISION & MOCK TEST