Question

Do these questions and write the answers

Answer 1

Answer:

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Answer 2

1. Polymer fibers are a subset of man-made fibers, which are based on synthetic chemicals (often from petrochemical sources) rather than arising from natural materials by a purely physical process. These fibers are made from: polyamide nylon. PET or PBT polyester.
2. Rayon is a manufactured regenerated cellulose fiber. Because it is produced from naturally occurring polymers, it is neither a truly synthetic fiber nor a natural fiber; it is a semi-synthetic fiber.
3. The process of formation of polymer from its monomer is called polymerisation.
4. Polythene, polyvinyl chloride (PVC) and bakelite are three polymers that can be obtained by using chemicals derived from natural gas.

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