This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Chemistry Part Ii > Class 12 Chemistry (Part Ii) Chapter 15 Polymers – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 4 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Select the option that is NOT a polymer classification A) Structure. B) Polymerization. C) Origin. D) Length. Show Answer Correct Answer: D) Length. 2. During Vulcanization, polymers are ..... in order to make rubber more durable. A) Molded. B) Branching. C) Polymerized. D) Cross-linking. Show Answer Correct Answer: D) Cross-linking. 3. Synthetic polymers are made of hydrocarbons from what source? A) Plants. B) Metal ores. C) Sand. D) Petroleum. Show Answer Correct Answer: D) Petroleum. 4. In chain growth polymerization, the monomer is added to the active species one by one. The active species in cationic polymerization are ..... A) Free radicals. B) Carbocations. C) Carboanions. D) None of the above. Show Answer Correct Answer: B) Carbocations. 5. What is an advantages of asynthetic material? A) Stronger. B) More expensive. C) Does not require natural resouces. D) Not renewable. Show Answer Correct Answer: A) Stronger. 6. What feature of alkene molecules allows them to act as monomers? A) The double C=C bond. B) The presence of carbon atoms. C) The presence of hydrogen atoms. D) None of the above. Show Answer Correct Answer: A) The double C=C bond. 7. The polymer invented in 1935, that results from the repetition of the condensation reaction is a polyamide called A) Polyester. B) Styrofoam. C) Nylon-66. D) PVC. Show Answer Correct Answer: C) Nylon-66. 8. Condensation polymers are A) Biodegradable and easy to recycle. B) Non biodegradable and very hard to recycle. C) Biodegradable and hard to recycle. D) Non biodegradable and easy to recycle. Show Answer Correct Answer: A) Biodegradable and easy to recycle. 9. Which general term is used to describe the individual molecules that combine to make plastics? A) Hydrocarbon. B) Molecule. C) Monomer. D) Polymer. Show Answer Correct Answer: C) Monomer. 10. What is the process by which oil is turned into plastic? A) Oxidation. B) Addition reaction. C) Cracking. D) Polymerisation. Show Answer Correct Answer: C) Cracking. 11. Which of the following reaction is NOT accompanied by elimination of a byproduct molecule? A) Addition polymerization. B) Condensation polymerization. C) Both of the mentioned. D) None of the mentioned. Show Answer Correct Answer: A) Addition polymerization. 12. Which type of polymer is rigid and very strong? A) Linear. B) Branched. C) Cross-Linked. D) None of the above. Show Answer Correct Answer: C) Cross-Linked. 13. How could you test a liquid's viscosity? A) Pour a cup of liquid down a ramp and measure how long it takes the liquid to reach the bottom of the ramp. B) Measure the mass and volume of a liquid. Then divide the mass by the volume. C) Shine a laser beam through a liquid and observe it to see if the beam can be seen in the liquid. D) Heat a liquid and measure how long it takes for the liquid to boil. Show Answer Correct Answer: A) Pour a cup of liquid down a ramp and measure how long it takes the liquid to reach the bottom of the ramp. 14. The main monomer that makes up Carbohydrate Macromolecules is: A) Glucose. B) Glycogen. C) Cellulose. D) Starch. Show Answer Correct Answer: A) Glucose. 15. What type of polymer is made from just one type of monomer A) Copolymer. B) Megapolymer. C) Monomer. D) Homopolymer. Show Answer Correct Answer: D) Homopolymer. 16. What is a disadvantage of a polymer? A) Can not be recycled. B) Many are derived from petroleum, a non-renewable resource. C) Genetically biological inert. D) Properties can not be modified. Show Answer Correct Answer: B) Many are derived from petroleum, a non-renewable resource. 17. Which of the following is true in a dehydration synthesis reaction? A) Hydroxyl forms as a product as H is removed from one monomer and O is removed from the other. B) Water is added to the reactants as H is added to 1 monomer and OH is added tothe other. C) Water forms as a product as H is removed from 1 monomer and OH is removed from the other. D) Carboxyl forms as a product as CO is removed from one monomer and OH is removed from the other. Show Answer Correct Answer: C) Water forms as a product as H is removed from 1 monomer and OH is removed from the other. 18. All is the Classification of Shaping Processes EXCEPT: A) Molded parts that are primarily liquid. B) Hollow molded parts with relatively thin walls. C) Castings. D) Foamed products. E) Continuous filaments. Show Answer Correct Answer: A) Molded parts that are primarily liquid. 19. During the manufacturing of children's toys, which process is NOT typically used? A) Injection Moulding. B) Solvent Bonding. C) Blow Moulding. D) Vacuum Forming. Show Answer Correct Answer: B) Solvent Bonding. 20. Thermopolymer has long chains of molecules which move when heated? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 21. The polymer which is used in manufacture of squeeze bottles is A) Polypropene. B) Teflon. C) Low density polythene. D) Polystyrene. Show Answer Correct Answer: C) Low density polythene. 22. What kind of chemical bonds create polymers? A) Ionic. B) Covalent. C) Hydrogen. D) Metallic. Show Answer Correct Answer: B) Covalent. 23. What was the brand name of the first polymer to be used to make toys, phones and electrical insulators? A) Silly Putty. B) Bakelite. C) Plastic. D) Styrofoam. Show Answer Correct Answer: B) Bakelite. 24. What's the correct definition of these keywords?peptide bond A) The bond formed when two amino acids join by a condensation reaction to form a peptide, and represented by-CONH-. B) The bond that maintains a protein's tertiary structure, and which forms between two cysteine amino acids. C) The bond formed when two amino acids join by a condensation reaction to form a peptide, and represented by-CNOH-. D) None of the above. Show Answer Correct Answer: A) The bond formed when two amino acids join by a condensation reaction to form a peptide, and represented by-CONH-. 25. Which of below are the responses exhibit by IRREVERSIBLE photo-responsive materials? A) Degradation. B) Crosslinking. C) Shifting of structure from hydrophobic to hydrophilic. D) Swelling and shrinking. Show Answer Correct Answer: A) Degradation. 26. What element is commonly added to iron to make an alloy with higher strength than the iron alone? A) Clay. B) Glass. C) Carbon. D) Steel. Show Answer Correct Answer: C) Carbon. 27. Which is not a natural polymer A) Cotton. B) Rubber. C) Wool. D) Silk. Show Answer Correct Answer: B) Rubber. 28. The catalyst used for olefin polymerisation is A) Wilkinson catalyst. B) Raney nickel catalyst. C) Ziegler-Natta catalyst. D) Merrified Resin. Show Answer Correct Answer: C) Ziegler-Natta catalyst. 29. Which one needs at least one diene monomer for its formation A) Buna-s. B) Bakelite. C) Dacron. D) Novolac. Show Answer Correct Answer: A) Buna-s. 30. What is the effect of valence cations on SAP's water absorption? A) Increases absorption. B) No effect. C) Decreases absorption. D) Changes the color of the SAP. Show Answer Correct Answer: C) Decreases absorption. 31. Which material would you use for surgical stitches? A) Acrylic. B) Urea Formaldehyde. C) Biopol. D) HIPS. E) Polyester resin. Show Answer Correct Answer: C) Biopol. 32. ANALOGY:If a house were a polymer, the monomers would be: A) The team responsible for building it. B) The bricks used to build it. C) The neighborhood in which it is located. D) The people living there. Show Answer Correct Answer: B) The bricks used to build it. 33. Which of these is a use for modern designer polymers? A) Breathable waterproof clothing. B) As food additives. C) As perfumes. D) None of the above. Show Answer Correct Answer: A) Breathable waterproof clothing. 34. A chain of repeating units (called monomers) A) Dimer. B) Polymer. C) Monomer. D) Replicate. Show Answer Correct Answer: B) Polymer. 35. Which polymer is suitable to make water pipes? A) Polypropene. B) Polystyrene. C) Polyvinyl chloride. D) Polyethene. Show Answer Correct Answer: C) Polyvinyl chloride. 36. Is this statement true or false? Thermopastics become soft, malleable and pliable and can be moulded and formed into shape (another shape) A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 37. The process of vulcanization which makes rubber more rigid and very strong is due to which of the following. A) Removing crosslinks. B) Reduction in the number of branches. C) Adding crosslinks of sulfur. D) Extra branches. Show Answer Correct Answer: C) Adding crosslinks of sulfur. 38. Which of the following polymers is biodegradable? A) Polystyrene. B) Polyethylene. C) Polylactic acid (PLA). D) Polyvinyl chloride. Show Answer Correct Answer: C) Polylactic acid (PLA). 39. Which polymer is known for its elasticity and is used in making rubber bands? A) Polyvinyl chloride. B) Polyisoprene. C) Polyethylene. D) Polystyrene. Show Answer Correct Answer: B) Polyisoprene. 40. What is the role of cross-linkers in SAP? A) To control the SAP's total absorbency and swelling capacity. B) To make the SAP dissolve in water. C) To color the SAP. D) To reduce the cost of SAP production. Show Answer Correct Answer: A) To control the SAP's total absorbency and swelling capacity. 41. The birefringence effect that occurs when a polymer is viewed between two polarizing filters represents the ..... regions of the polymer. A) Crystalline. B) Amorphous. C) Cross-Linked. D) Branched. Show Answer Correct Answer: A) Crystalline. 42. What small molecules are linked together to form a polymer? A) Monomers. B) Protein molecules. C) Hydrogen atoms. D) Oxygen atoms. Show Answer Correct Answer: A) Monomers. 43. Which of these is an example of synthetic polymer? A) Wool. B) Cotton fibers. C) Polyvinyl chloride (PVC). D) Rubber. Show Answer Correct Answer: C) Polyvinyl chloride (PVC). 44. What's the name of the polymer that makes you, you? A) Nylon. B) DAN. C) PVC. D) DNA. Show Answer Correct Answer: D) DNA. 45. What is the process by which condensation polymers are formed? A) Elimination of a small molecule during polymerization. B) Multiplication of small molecules during polymerization. C) Addition of a small molecule during polymerization. D) Subtraction of a small molecule during polymerization. Show Answer Correct Answer: A) Elimination of a small molecule during polymerization. 46. A synthetic Material is A) Made from natural resources. B) From Nature. C) Element. D) An atom. Show Answer Correct Answer: A) Made from natural resources. 47. What was the first completely synthetic polymer invented in the early 20th century? A) Celluloid. B) Shellac. C) Bakelite. D) Silent-movie film. Show Answer Correct Answer: C) Bakelite. 48. It is a natural polymer originating from various insect and spider species. It is composed of two different proteins, sericin and fibroin, among which fibroin is an FDA-approved materials for some medical devices. A) Nylon. B) Cellulose. C) Wool. D) Silk. Show Answer Correct Answer: D) Silk. 49. HDPE sinks in Isopropyl alcohol test. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 50. Octane (8 carbons) is cracked into hexane (6 carbons) and an alkene. What is the name of this alkene? A) Pentene. B) Ethene. C) Butene. D) Propene. Show Answer Correct Answer: B) Ethene. 51. Which is not polymer A) Protein. B) Nucleotide. C) Starch. D) DNA. Show Answer Correct Answer: B) Nucleotide. 52. True or false:Synthetic polymers occur in nature, and do not need to be produced by humans A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 53. Ziegler Natta catalyst is used in the manufacture of A) High density polythene. B) Dacron. C) Low density polythene. D) Teflon. Show Answer Correct Answer: A) High density polythene. 54. ..... is an example of a synthetic polymer. A) Light-Weight. B) Resistant to Chemicals. C) Thermal & Electrical Insulators. D) All of the above. Show Answer Correct Answer: D) All of the above. 55. Which factor of polymer incineration minimises its environmental impact (limits toxicity of products)? A) Shredding the plastic items. B) High temperature. C) Minimal use of catalysts. D) Limited air supply. Show Answer Correct Answer: B) High temperature. 56. Color of nanoparticles of gold A) Yellow. B) Green. C) Red. D) Blue. Show Answer Correct Answer: C) Red. 57. Oligomer means ..... degree of polymerization A) Low. B) High. C) Medium. D) Both A & B. Show Answer Correct Answer: A) Low. 58. Many synthetic polymers don't degrade naturally, some synthetic polymers were designed so that they are environmental friendly called A) Styrofoam. B) Pvc. C) Biodegradable polymers. D) Nylon66. Show Answer Correct Answer: C) Biodegradable polymers. 59. What is the primary role of water in a hydrolysis reaction? A) Inhibitor. B) Catalyst. C) Reactant. D) Product. Show Answer Correct Answer: C) Reactant. 60. Nylon is which sort of polymer? A) Thermo plastic. B) Elastomer. C) Ferrous. D) Thermosetting. Show Answer Correct Answer: A) Thermo plastic. ← 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 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 8Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books