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ExamsJEE MainChemistry

Match list-I with List-II. List-I Polymers A. Phenol-formaldehyde resin B. Copolymer of 1,3-butadiene styrene C. Polyester of glycol and phthalic acid D. Polyester of glycol and terephthalic acid List-II Commercial names I. Glyptal II. Novolac III. Buna-S IV. Dacron Choose the correct answer from the option given below:

  1. A-II, B-III, C-IV, D-I
  2. A-II, B-III, C-I, D-IV
  3. A-I, B-I, C-III, D-IV
  4. A-III, B-II, C-IV, D-I

Correct answer: A-I, B-I, C-III, D-IV

Solution

The correct matches align the specific polymers with their widely recognized commercial names: Phenol-formaldehyde resin is known as Novolac, the copolymer of 1,3-butadiene and styrene is referred to as Buna-S, the polyester of glycol and phthalic acid is called Glyptal, and the polyester of glycol and terephthalic acid is known as Dacron.

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