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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.
Explain the process of extrusion In this process a round heated billet of metal placed in a container is forced out by a die in a press. This process is commonly used for manuf
formule for alcoholic cidity
if you were given an unknown substance, how would you determine if it is a pure compound?
scanning electron microscope
Porosity: The property of the refractory brick is the ratio of its pore volume to the total volume. The refractory material with high porosity is not preferred for furnace lining
Find a Rate Expression for the Reaction The saponification of the ester propargyl acetate, A, with base, B, was studied by Myers, Collett, and Lazzell using a conductivity tech
how will you prepare acetal from methanal?
Significant class of magnetic materials The most significant class of magnetic materials is the Ferro magnets: iron, nickel, cobalt and manganese, or their compounds (and a
Experimental data for these fluids is included in the Homework folder. Calculate the error, at a given T and V, for each method as follows: Ε = P EOS -P exp / P exp ×100%
explane
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