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1. নিম্নের কোন যৌগ বিক্রিয়া করে POLYESTER দেয়?

  • A. ethylene glycoland terepthalic acid
  • B. ethylene glycoland terepthalic acid
  • C. ethylene glycoland terepthalic acid
  • D. ethylene glycoland terepthalic acid

Answer: Option A

Explanation:


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