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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.
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in the combustion of heptane in oxygen CO2 was produced.if 500kg of dry ice was produced of which 50% of the CO2 was converted to dry ice,what is the amount of heptane needed to bu
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"A semilog plot of y(logarithmic axis) versus x passes through (1,2) and (2,1)." The given equation is y=4.00exp(-0.693x).I am supposed to end up with a graph, but I''m not sure if
DISTILLATION
Formulas for determining temporary and permanent hardness
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