which of the following is made up of a large number of Easter unit 1. telflon 2. PVC 3. bakelite 4. polyester0
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polyester is the answer
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Option number 4 i.e. polyster is the answer.
Polyester belongs to the one of the categories of polymers that contain the ester functional group in their main carbon chain. Some naturally occurring chemicals, like in the cutin of plant cuticles, amand also synthetics such as polybutyrate are good examples of polyster.
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