Question: Acrilan fibres used for making cloth, carpet & blankets, which is a hard, horny & high melting polymeric material is nothing but [A]. polyacrylonitrile [B]. polyamide [C]. saturated polyester [D]. alkyd resin Answer: Option A Explanation: No answer description…

Question: Glyptal used in the manufacture of paints & lacquers is a __________ polymer. [A]. polyamide [B]. polystyrene [C]. polyester [D]. polyacrylonitrile Answer: Option C Explanation: No answer description available for this question.

Question: Liners of bags are usually made of [A]. polythene [B]. PVC [C]. polypropylene [D]. polyesters Answer: Option C Explanation: No answer description available for this question.

Question: Hot drink (e.g, tea) cups are usually made of [A]. polystyrene [B]. polythene [C]. polypropylene [D]. PVC Answer: Option A Explanation: No answer description available for this question.

Question: Branched chain polymers compared to linear polymers have higher [A]. density. [B]. tensile strength. [C]. melting point. [D]. degree of irregularity in atomic packing. Answer: Option D Explanation: No answer description available for this question.

Question: Polypropylene is preferred to polythene, because the former is [A]. non-inflammable [B]. harder [C]. stronger [D]. both(b) & (c) Answer: Option D Explanation: No answer description available for this question.

Question: Thermosetting polymers as compared to thermoplastic polymers [A]. are formed by addition polymerisation. [B]. have three dimensional structure. [C]. have linear structure. [D]. none of these. Answer: Option B Explanation: No answer description available for this question.

Question: Vulcanisation of rubber does not increase its [A]. elasticity [B]. plasticity [C]. ductility [D]. none of these Answer: Option B Explanation: No answer description available for this question.

Question: Rayon is superior to cotton in making gauge for wound treatment, because rayon [A]. is a synthetic polymer. [B]. does not stick to the wound unlike cotton. [C]. can absorb over 90% of its own weight of water. [D].…

Question: Properties of a polymer is affected by the [A]. chain length. [B]. intermolecular forces. [C]. branching & cross-linking. [D]. all (a), (b). Answer: Option D Explanation: No answer description available for this question.