Previous Years Question Papers

Environmental Chemistry
Common modes of pollution of air, water and soil. Ozone layer, ozone hole – important chemical reactions.
Green House effect; Smog; Pollution of water by domestic and industrial effluents; Pollutants–pesticides, fertilizers and plastics.

Heavy Chemicals : Sulfuric acid (contact process), Ammonia (Haber’s process), Nitric acid (Ostwald’s process), sodium bi-carbonate and sodium carbonate (Solvey process).
Polymers, Polythene, Nylon-66, rubber from natural source, vulcanization.

Chemistry in Industry
Large scale production (including physicochemical principles where applicable omitting technical details and uses of individual items).

Chemistry of Metals :
General principles of metallurgy – occurrence, concentration of ores, production and purification of metals, mineral wealth of India.

Halogen