Which of the following is an example of polyester? (a) Butadiene-styrene copolymer (b) Melamine ...

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Which of the following is an example of polyester?
(a) Butadiene-styrene copolymer
(b) Melamine polymer
(c) Neoprene
(d) Poly- \( \beta \)-hydroxybutyrate-co- \( \beta \)-hydroxy valerate
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