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Explain polymerisation vinyl chloride and its applications.
PVC and its applications - It is acquired from polymerisation of vinyl chloride in the presence of a catalyst as peroxides at about 500C. The properties are as mechanical strength, flexibility, porosity, electrical and moisture absorption properties can be changed through adding certain materials. PVC has fine mechanical and electrical properties. This is hard and brittle. It resists flame, most solvents and sunlight. It is non-hygroscopic. PVC is widely used as insulation and jacketing material for cables and wires. PVC films, sheets and tapes are used as insulation for conduit pipes and dry batteries.
A contact sulphuric acid plant burns pure sulphur with air. The products of combustion pass to a converter where some of the SO 2 is converted to SO 3 at a fast rate owing to the
Explain the problems of flooding and channeling in packed tower
What is density of energy states? The density of states (DOS) of a system explains the number of states at each energy level that are available to be get. A high DOS at a speci
Pour point: Just as flashpoint when temperature is further lowered below cloud point of certain temperature, oil becomes semi-solid and losses its flow characteristics. This point
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prove that work is a path function
It is desired to generate an iron-carbon alloy that has a minimum hardness of 200 HB and a minimum ductility of 35%RA. Is such an alloy possible? If so, what will be its compositio
to determine the emf of cell uaing pottentiometre
industrial applications-photochemistry
Pure silicon at zero K is an Insulator.
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