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Polymer technology
| 1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
| 2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
| Q1 ⇒ Pick out the correct statement. The liquid polymer becomes greasy, then waxy and finally solid on increasing the degree of polymerisation. [other wrong options] [Discuss in forum] |
| Q2 ⇒ Flexible foam (for mattresses) are usually made of polyurethanes [other wrong options] [Discuss in forum] |
| Q3 ⇒ Polymethyl methacrylate, which is an acrylic resin, is also called plexiglass or lucite [other wrong options] [Discuss in forum] |
| Q4 ⇒ Polycaprolactum is nothing but nylon 6 [other wrong options] [Discuss in forum] |
| Q5 ⇒ Nylon-6 as compared to nylon-66 is none of these. [other wrong options] [Discuss in forum] |
| Q6 ⇒ Unbreakable crockeries are made from __________ polymers. melamine [other wrong options] [Discuss in forum] |
| Q7 ⇒ Which of the following is a polymer of hexamethylene diamine and adipic acid ? Nylon-66 [other wrong options] [Discuss in forum] |
| Q8 ⇒ Thermosplastic materials none of these. [other wrong options] [Discuss in forum] |
| Q9 ⇒ In condensation polymerisation as compared to addition polymerisation the monomers contain two functional groups. [other wrong options] [Discuss in forum] |
| Q10 ⇒ Nylon-66 compared to nylon-6 has higher hardness. [other wrong options] [Discuss in forum] |
| Q11 ⇒ Which of the following is not a natural polymer ? Polyurethane [other wrong options] [Discuss in forum] |
| Q12 ⇒ Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800 ? 50000 [other wrong options] [Discuss in forum] |
| Q13 ⇒ Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding camphor [other wrong options] [Discuss in forum] |
| Q14 ⇒ Dacron is a/an both (b) and (c) [other wrong options] [Discuss in forum] |
| Q15 ⇒ Polyvinyl chloride (PVC) is made by employing emulsion polymerisation. [other wrong options] [Discuss in forum] |
| Q16 ⇒ Polycaprolactum is also known as nylon-6 [other wrong options] [Discuss in forum] |
| Q17 ⇒ Rayon is a __________ fibre. cellulosic [other wrong options] [Discuss in forum] |
| Q18 ⇒ Polycaprolactum is nylon-6 [other wrong options] [Discuss in forum] |
| Q19 ⇒ Styrene butadiene rubber is commercially manufactured by emulsion polymerisation [other wrong options] [Discuss in forum] |
| Q20 ⇒ Pickout the wrong statement. Polymers made of only one monomer is called homopolymer. [other wrong options] [Discuss in forum] |
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