हिंदी

Which of the following is an example of polyester? -

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प्रश्न

Which of the following is an example of polyester?

विकल्प

  • Butadiene-styrene copolymer 

  • Melamine polymer 

  • Neoprene

  • Poly - β - hydroxybutyrate - co - β - hydroxyvalerate

MCQ

उत्तर

Poly - β - hydroxybutyrate - co - β - hydroxyvalerate

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