This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Chemistry Part Ii > Class 12 Chemistry (Part Ii) Chapter 15 Polymers – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 8 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Synthetic human hairwigs are made from a copolymer of vinyl chloride and acrylonitrile and is called A) PVC. B) Cellulose. C) Polyacryonitrile. D) Dynel. Show Answer Correct Answer: D) Dynel. 2. Type of doping which creates extra electrons A) N. B) P. C) Parallel. D) Perpendicular. Show Answer Correct Answer: A) N. 3. Branching in dental polymers exists as following A) Linear. B) Branching. C) Cross linked. D) All of the above. Show Answer Correct Answer: D) All of the above. 4. Jonathan is studying addition polymers in his chemistry class. Which of the following statements about addition polymers is correct? A) The monomer of an addition polymer must be an alkene. B) They must be made from one type of monomer only. C) The polymerization process releases a small molecule as a by-product. D) Addition polymers are typically formed through condensation polymerization. Show Answer Correct Answer: A) The monomer of an addition polymer must be an alkene. 5. Any of several chemicals added to certain synthetic materials to make them soft and/or pliable. A) Plasticizer. B) Silicon. C) Lubricant. D) Cellulose. Show Answer Correct Answer: A) Plasticizer. 6. Which is not a naturally occuring polymer A) DNA. B) Silk. C) Starch. D) Teflon. Show Answer Correct Answer: D) Teflon. 7. Thermoplastics makes recycling easy A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 8. A large molecule that consists of many repeating structural units: A) Polymer. B) Polygon. C) Monomer. D) Santimer. Show Answer Correct Answer: A) Polymer. 9. Recycle bottles of plastic are made from A) Polyethylene terephthalate. B) Nylon. C) Polyamides. D) Peptides. Show Answer Correct Answer: A) Polyethylene terephthalate. 10. What is the primary difference between a dimer and a trimer? A) A dimer is a type of polymer, while a trimer is not. B) A dimer is formed by the combination of three monomers, while a trimer is formed by two. C) A dimer is a larger molecule than a trimer. D) A dimer consists of two monomers, while a trimer consists of three monomers. Show Answer Correct Answer: D) A dimer consists of two monomers, while a trimer consists of three monomers. 11. Which set of properties are commonly associated with ceramic materials. A) Good toughness, good conductivity and light weight. B) High levels of hardness, good conductivity and light weight. C) Nice colours. D) High levels of hardness, high levels of heat resistance and quite brittle. Show Answer Correct Answer: D) High levels of hardness, high levels of heat resistance and quite brittle. 12. The name of the NaClO$_{3}$$_{ }$compound is ..... A) Sodium hypochlorite. B) Sodium chlorate. C) Sodium perchlorate. D) Sodium chlorite. Show Answer Correct Answer: B) Sodium chlorate. 13. Which material would you use for shop signs? A) HIPS. B) Biopol. C) Acrylic. D) Polyester resin. E) Urea Formaldehyde. Show Answer Correct Answer: C) Acrylic. 14. Thermoplastics are re-moldable and recyclable. A) True. B) False. C) Sometimes, but not always. D) None of the above. Show Answer Correct Answer: A) True. 15. Polymers are made by many repeating ..... bonded together A) Unsaturated chains. B) Ionic bonds. C) Monomers. D) Alcohols. Show Answer Correct Answer: C) Monomers. 16. What is the method called that uses UV radiation to drive polymerization and cross-linking reactions? A) Solution polymerization. B) Gel polymerization. C) Hydrogel formation. D) Suspension polymerization. Show Answer Correct Answer: B) Gel polymerization. 17. What is the name of the process in which monomers are added together in a repeating pattern to create a polymer? A) Polymerisation reaction. B) Addition polymerisation. C) Polymer bonding. D) Condensation polymerisation. Show Answer Correct Answer: B) Addition polymerisation. 18. Which of the following hydrocarbons contains only single bonds? A) Alkenes. B) Alkanes. C) Alkynes. D) Cyclic. Show Answer Correct Answer: B) Alkanes. 19. What key element(s) that had to occur for crude oil to form. A) Heat. B) Pressure. C) Millions of years. D) Both heat and pressure. Show Answer Correct Answer: D) Both heat and pressure. 20. Identify the type of macromolecule formed by nucleotides. A) Nucleic acids. B) Lipids. C) Carbohydrates. D) Proteins. Show Answer Correct Answer: A) Nucleic acids. 21. If the monomers are not linked it doesn't count as a polymer A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 22. Ethene (ethylene)is a simple monomer for polymer chains. It creates a polymer known as ..... ? A) Polyethanol. B) Polyagonals. C) Polystyrene. D) Polyethylene. Show Answer Correct Answer: D) Polyethylene. 23. An example of biodegradable polymer is A) 3-hydroxybutanoic acid. B) 3-hydroxypentanoic acid. C) Poly $\beta$-hydroxybutyrate-co-$\beta$-hydroxy valerate. D) None of these. Show Answer Correct Answer: C) Poly $\beta$-hydroxybutyrate-co-$\beta$-hydroxy valerate. 24. Which type of polymer is rigid and tough? A) Linear. B) Branched. C) Cross-Linked. D) None of the above. Show Answer Correct Answer: A) Linear. 25. Synthetic rubber is a type of ..... polymer. A) Elastomer. B) Thermoplastic. C) Thermosetting. D) None of the above. Show Answer Correct Answer: A) Elastomer. 26. Plastics are most often derived from what raw materials? A) Fossil fuels. B) Wood pulp. C) Clay. D) Metallic oxides. Show Answer Correct Answer: A) Fossil fuels. 27. What is formed from different amino acids joined in a long chain? A) Proteins. B) Sugars. C) Lipids. D) Carbohydrates. Show Answer Correct Answer: A) Proteins. 28. A polymer made in the laboratory or industry usually is made from petrochemicals (petroleum-based) A) Nature polymer. B) Protein. C) Natural polymer. D) Synthetic polymer. Show Answer Correct Answer: D) Synthetic polymer. 29. Materials that decompose or burn when heatedand are difficult to recycle are called? A) Thermoplastics. B) Plastics. C) Thermosetting materials. D) Rigid plastics. Show Answer Correct Answer: C) Thermosetting materials. 30. The ..... is a molecular solid. A) Graphite. B) Sodium chloride. C) Diamond. D) Water. Show Answer Correct Answer: D) Water. 31. You go rock climbing in a light nylon jacket. After a day of climbing the jacket develops tuffs of nylon where it has been rubbed against the rock. What type of stress strain behavior would resist this? A) Tensile strength. B) Abrasion resistance. C) Puncture resistance. D) None of options listed. Show Answer Correct Answer: B) Abrasion resistance. 32. Thermoplastics can be reshaped A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 33. Polymers can be stiffened through A) Cross-linking. B) Alloying. C) Ordering. D) Close packing. Show Answer Correct Answer: A) Cross-linking. 34. The number of repeating units in a polymer is knownas ..... A) Molecule. B) Chain. C) Monomer. D) Degree of polymerization. Show Answer Correct Answer: D) Degree of polymerization. 35. The graph is plotted on which type of graph paper? A) Hexagonal paper. B) Graph engineering paper. C) Logarithmic paper. D) Isometric graph paper. Show Answer Correct Answer: C) Logarithmic paper. 36. Which of these substances is most acidic? Hydrochloric Acid = 0Ammonia= 12Lemon Juice= 2Baking Soda = 8 A) Ammonia. B) Hydrochloric Acid. C) Lemon Juice. D) Baking Soda. Show Answer Correct Answer: B) Hydrochloric Acid. 37. Thermosetting plastics are formed by A) Condensation polymerization. B) Copolymerization. C) Addition polymerization. D) Isomerism. Show Answer Correct Answer: A) Condensation polymerization. 38. A silky material that is made from long, manufactured molecules called polymers. A) Plastic. B) Nylon. C) Silicone. D) Cellulose. Show Answer Correct Answer: B) Nylon. 39. Which polymer should have the lowest degree of crystallinity? A) PS. B) Nylon 6, 6. C) HDPE. D) LDPE. Show Answer Correct Answer: D) LDPE. 40. Food containers are typically made of PVC. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 41. We can use polymers in Design & Technology? A) Don't be silly!!. B) Yes in lots of colours. C) All the above. D) None of the above. Show Answer Correct Answer: B) Yes in lots of colours. 42. What is crude oil composed of? A) Many different Atoms that all have different sizes and uses. B) Many different Alkenes that all have different sizes and uses. C) Many different Alkynes that all have different sizes and uses. D) Many different Hydrocarbons that all have different sizes and uses. Show Answer Correct Answer: D) Many different Hydrocarbons that all have different sizes and uses. 43. Which general formula represents a member of the alkene homologous series? A) C$_{n}$H$_{2n+2}$. B) C$_{n}$H$_{2n-2}$. C) C$_{n}$H$_{2n}$. D) C$_{n}$H$_{2n+1}$OH. Show Answer Correct Answer: C) C$_{n}$H$_{2n}$. 44. Which of the following monomers form biodegradable polymers? A) 3-hydroxybutanoic acid + 3-hydroxypentanoic acid. B) Glycine + amino caproic acid. C) Ethylene glycol + phthalic acid. D) Both a and b. Show Answer Correct Answer: D) Both a and b. 45. Which polymer?Once formed, it can be heated and reformed over and over again A) Elastomer. B) Thermosetting. C) Thermoplastic. D) None of the above. Show Answer Correct Answer: C) Thermoplastic. 46. Two monomers bond together while releasing water as a byproduct. What is the name of this process? A) Water polymerization. B) Addition polymerization. C) Condensation polymerization. D) Hydrogen polymerization. Show Answer Correct Answer: C) Condensation polymerization. 47. Type of polymerization reaction which breaks the double bond of monomers A) Addition. B) Carboxylation. C) Oxidation. D) Condensation. Show Answer Correct Answer: A) Addition. 48. The plastic household crockery is prepared, using A) Melamine and vinyl acetate. B) Malonic acid and hexamethylenediamine. C) Melamine and tetrafluoroethane. D) Melamine and formaldehyde. Show Answer Correct Answer: D) Melamine and formaldehyde. 49. What do square brackets at the ends of a polymer unit represent? A) That the entire structure is shown. B) That the structure repeats itself. C) All the above. D) None of the above. Show Answer Correct Answer: B) That the structure repeats itself. 50. Nature tends to favor a(n) A) Decrease in Entropy. B) Increase in Entropy. C) Increase in Enthalpy. D) Decrease in Enthalpy. Show Answer Correct Answer: B) Increase in Entropy. 51. Why is Nylon a preferred material for manufacturing gears in machinery? A) Its transparency. B) Its ability to change colors. C) Its resistance to water. D) Its reduced friction between moving parts. Show Answer Correct Answer: D) Its reduced friction between moving parts. 52. How does chain length affect polymer properties? A) Long chains decrease viscosity. B) Short chains increase strength. C) Long chains increase strength and viscosity. D) Short chains enhance durability. Show Answer Correct Answer: C) Long chains increase strength and viscosity. 53. This diverse silk-like thermoplastic is used to make women's stocking, rope, and small roller wheels A) Polyethylene. B) Nylon. C) Acrylic. D) HIPS. Show Answer Correct Answer: B) Nylon. 54. Bakelite is formed from phenol by reacting with A) CH3CHO. B) (CH2OH)2. C) CH3COCH3. D) HCHO. Show Answer Correct Answer: D) HCHO. 55. A plastic formed by using heat to turn a liquid resin into a solid. A) Polyvinyl chloride. B) Polypropylene. C) Polystyrene. D) Polyethylene. Show Answer Correct Answer: A) Polyvinyl chloride. 56. Which of the following is not an example of natural polymer? A) Cellulose. B) Nylon. C) Latex. D) Starch. Show Answer Correct Answer: B) Nylon. 57. What is the name of the long molecule that contains our unique genetic code? A) Deoxyribonucleic acid. B) Dyoxide Nebul Acid. C) Dry Nerves Accident. D) Dylon Acid. Show Answer Correct Answer: A) Deoxyribonucleic acid. 58. Which is not a polymer found in nature A) Silk. B) Teflon. C) Starch. D) DNA. Show Answer Correct Answer: B) Teflon. 59. What plastic is commonly used for plumbing pipes and can be toxic to human health? A) High Impact Polystyrene. B) Polyvinyl Chloride. C) Polylactic Acid. D) ABS. Show Answer Correct Answer: B) Polyvinyl Chloride. 60. The monomers of Buna-S rubber are A) Styrene and butadiene. B) Isoprene and butadiene. C) Vinyl chloride and sulphur. D) Butadiene. Show Answer Correct Answer: A) Styrene and butadiene. ← PreviousNext →Related QuizzesScience QuizzesClass 12 QuizzesClass 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 1Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 2Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 3Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 4Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 5Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 6Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 7Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books