
Class X
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
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
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
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
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
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.
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.