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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.
Which one of the following statements about product A is correct? It arose from a reaction between chloride ion and a primary carbocation It arose from a reaction
Distinguish between intrinsic and extrinsic semiconductor. In intrinsic semiconductors, the conduction is because of the intrinsic processes characteristics of the crystal, wit
application of neutral refractory
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Where can I get the solution manual for bioprocess engineering by Schuler and kargi? Any link to download it?
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A sample of water is found to contain , Temporary Mg hardness = 20mg/L,Calcium Sulphate =20 mg/L. Calculate Temporary and Pemanent hardness in water.
Explain the different types of polarization mechanisms in dielectrics. There are essentially four basic kinds of polarization mechanisms: Interface polarization: Electron
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