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Question 48

Match List-I and List-II.

List-IList-II
A. Elastomeric polymerI. Urea formaldehyde resin
B. Fibre polymerII. Polystyrene
C. Thermosetting polymerIII. Polyester
D. Thermoplastic polymerIV. Neoprene

Choose the correct answer from the options given below:

Match the polymers with their correct classifications.

A. Elastomeric polymer — These are polymers with elastic properties (rubber-like). Neoprene (IV) is a well-known elastomer (synthetic rubber).

B. Fibre polymer — These have strong intermolecular forces and high tensile strength. Polyester (III) is a common fibre.

C. Thermosetting polymer — These form cross-linked structures and cannot be remoulded. Urea formaldehyde resin (I) is a thermosetting polymer.

D. Thermoplastic polymer — These can be repeatedly softened and moulded. Polystyrene (II) is a thermoplastic polymer.

A → IV (Neoprene), B → III (Polyester), C → I (Urea formaldehyde resin), D → II (Polystyrene). The correct answer is Option C: A-IV, B-III, C-I, D-II.

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