Tag Chemistry

Solved Exercise, Chem-11, Ch-05

EXPERIMENTAL TECHNIQUES IN CHEMISTRY Q.01: Select the most suitable answer for the given one. (i) The nature of positive rays depends on: (a) The nature of electrodes (b) The nature of the discharge tube (c) The nature of the residual…

Assessment Tests, Chem-12, Ch-16

Environmental Chemistry Following topics of environmental chemistry are relevant to the tests given below: Components of environment, types of pollution like air pollution, acid rain, smog, ozone hole, water pollution, factors affecting quality of water, purification of water, solid waste…

Assessment Tests, Chem-12, Ch-15

Common Chemical Industries in Pakistan Following topics of the chapter are relevant to the tests below: Fertilizers, essential elements for plant growth, preparation and applications of fertilizers like ammonia, urea, ammonium nitrate, diammonium phosphate, potassium nitrate, manufacturing process of cement,…

Assessment Tests, Chem-12, Ch-14

Macromolecules Following topics correspond to the tests of this chapter: Introduction, structure & types of polymers, polymerization process, synthetic polymers like PVC, polystyrene, PVA, polyester resins, polyamide resins, epoxy resins, biopolymers such as carbohydrates, proteins, lipids, enzymes & nucleic acids.…