Write any four synthetic bases for 7th class
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nylon, polyethylene, polyester, Teflon, and epoxy
I am also in class 7th
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Answer-:
There are different types of synthetic fibers, these are
Polyester
Acrylic
Rayon
Nylon
Polyester
Polyester= Poly+ester
It is a category of polymer which contains an ester group in their main chain. The term polyester is used in specifying the material which is known as PET (Polyethylene terephthalate).
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