Question: In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is [A]. terylene [B]. polybutadiene [C]. PVC [D]. polypropylene Answer: Option A Explanation: No…

Question: Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is [A]. nylon-66 [B]. teflon [C].…

Question: In condensation polymerisation as compared to addition polymerisation [A]. the monomers are unsaturated compounds. [B]. no co-product is lost. [C]. the monomers contain two functional groups. [D]. generally only one monomer is involved Answer: Option C Explanation: No answer…

Question: Branched chair polymers as compared to linear polymers have [A]. higher melting point. [B]. higher tensile strength. [C]. lower density. [D]. none of these. Answer: Option C Explanation: No answer description available for this question.

Question: Neoprene is rendered non-inflammable, because of [A]. its cross-linked structure. [B]. its linear chain structure. [C]. the presence of chlorine atoms in its monomer. [D]. the absence of chlorine atoms in its monomer. Answer: Option C Explanation: No answer…

Question: Diphenylamine is added to rubber to [A]. valcanise it. [B]. protect it from deterioration on exposure to air. [C]. make it non-inflammable. [D]. make it thermosetting. Answer: Option B Explanation: No answer description available for this question.

Question: Ion exchange resins are made of [A]. lucite [B]. sulphonated bakelite [C]. polystyrene [D]. teflon Answer: Option B Explanation: No answer description available for this question.

Question: __________ polymer is used for making unbreakable crockery. [A]. Thermoplastic [B]. Melamine [C]. Addition [D]. none of these Answer: Option B Explanation: No answer description available for this question.