This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Chemistry Part Ii > Class 12 Chemistry (Part Ii) Chapter 15 Polymers – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 10 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The smallest structural and functional unit of an organism. A) Atom. B) Cell. C) Proton. D) Nucleus. Show Answer Correct Answer: B) Cell. 2. Nylon-6 is manufactured from A) Maleic anhydride and hexamethylene diamine. B) Caprolactum. C) Sebasic acid and hexamethylene diamine. D) Adipic acid and hexamethylene diamine. Show Answer Correct Answer: B) Caprolactum. 3. Which of the following is used to make CDs? A) PVC. B) Polycarbonate. C) Polypropylene. D) PTFE. Show Answer Correct Answer: B) Polycarbonate. 4. What is polyethylene used for? A) Making electronic circuits. B) Insulating electrical wires. C) Producing adhesives like Araldite. D) Manufacture of 'plastic' bottles. Show Answer Correct Answer: D) Manufacture of 'plastic' bottles. 5. The Great Pacific Garbage Patch is the name given to a collection of marine debris mostly comprising plastic in the North Pacific Ocean. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 6. Which properties of poly(ethene) makes it a suitable material for making plastic bags and polytunnels? A) Insoluble in water and flammable. B) Poor conductor of heat and electricity. C) Strong and very flexible. D) None of the above. Show Answer Correct Answer: C) Strong and very flexible. 7. Which polymer is made up of just one kind of monomer called ethylene? A) Polystyrene. B) Polyester. C) Polyethylene. D) Polypropylene. Show Answer Correct Answer: C) Polyethylene. 8. Which plastic is considered microwave-safe, dishwasher-safe, and reusable? A) Polypropylene (PP). B) Polyvinyl Chloride (PVC). C) Low-Density Polyethylene (LDPE). D) Polyethylene Terephthalate (PET). Show Answer Correct Answer: A) Polypropylene (PP). 9. Hexamethylenediamine and adipic acid combines to form A) Buna S. B) Nylon 6, 6. C) Nylon 6. D) Buna N. Show Answer Correct Answer: B) Nylon 6, 6. 10. A ..... reaction removes a molecule of water to bond molecules together to create a polymer. A) Magical. B) Dehydration synthesis. C) Hydrolysis. D) Water. Show Answer Correct Answer: B) Dehydration synthesis. 11. Carbon forms ..... bonds with other atoms by sharing electrons with the other elements. A) Hydrogen. B) Covalent. C) Ionic. D) Peptide. Show Answer Correct Answer: B) Covalent. 12. What type of polymer is used in the production of plastic bottles? A) Thermoplastic polymer. B) Elastomer. C) Thermosetting polymer. D) Biopolymer. Show Answer Correct Answer: A) Thermoplastic polymer. 13. Hydrogen bonds do not play a part in which level of structure of a protein? A) Primary. B) Secondary. C) Tertiary. D) None of the above. Show Answer Correct Answer: A) Primary. 14. ESC behavior is prevelent in which of the following material? A) Glassy, amorphous thermoplastics. B) Metallic crstals. C) Bulk metallic glasses. D) Thermosetting plastics. Show Answer Correct Answer: A) Glassy, amorphous thermoplastics. 15. Addition polymerisation must have ..... A) Oxygen. B) Double bond. C) Chlorine. D) Single bond. Show Answer Correct Answer: B) Double bond. 16. What is the specific gravity of pollyallomer? A) 0.88. B) 0.90. C) 0.89. D) 0.87. Show Answer Correct Answer: C) 0.89. 17. Is cotton a polymer? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 18. How can chemists create polymers with different properties? A) By changing the temperature. B) By using different catalysts. C) By altering the pressure. D) By substituting atoms or functional groups on a monomer. Show Answer Correct Answer: D) By substituting atoms or functional groups on a monomer. 19. Amino acids react to produce proteins by: A) Addition polymerisation. B) Condensation polymerisation. C) All the above. D) None of the above. Show Answer Correct Answer: B) Condensation polymerisation. 20. Ionic solids can be packed closely like metals. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 21. Amorphous polymers are more prone to ESC at(Tg is glass transition temperature) A) Lower than Tg. B) Tg. C) Nowhere near to Tg. D) Higher than Tg. Show Answer Correct Answer: D) Higher than Tg. 22. ..... are added to protect the plastics against oxidative degradation so as to preserve its quality. A) Fillers. B) Plasticizers. C) Anti-oxidants. D) Pigments. Show Answer Correct Answer: C) Anti-oxidants. 23. Which one is NOT TRUE about the Mechanical Properties of Thermoplastics? A) High modulus of elasticity and tensile strength. B) Low tensile strength. C) Much lower hardness than metals or ceramics. D) Greater ductility on average. E) Low modulus of elasticity. Show Answer Correct Answer: A) High modulus of elasticity and tensile strength. 24. Which type of polymer is flexible and tough? A) Linear. B) Branched. C) Cross-Linked. D) None of the above. Show Answer Correct Answer: B) Branched. 25. Proteins, carbohydrates, DNA, and starch are examples of A) Natural polymers. B) Synthetic polymers. C) Semi-synthetic polymers. D) None of the above. Show Answer Correct Answer: A) Natural polymers. 26. Amino acids react to form peptides and proteins, this process is known as A) Substitution polymerization. B) Condensation polymerization. C) Hydration polymerization. D) Addition polymerization. Show Answer Correct Answer: B) Condensation polymerization. 27. What is the main use of superabsorbent polymers? A) In personal disposable hygiene products. B) In agriculture. C) In water filtration systems. D) In construction. Show Answer Correct Answer: A) In personal disposable hygiene products. 28. Explain the primary structure of a protein polymer. A) Sequence of amino acids linked by peptide bonds. B) Double helix structure of nucleotides. C) Sequence of fatty acids linked by ester bonds. D) Chain of glucose molecules linked by glycosidic bonds. Show Answer Correct Answer: A) Sequence of amino acids linked by peptide bonds. 29. Some polymers are not safe for food and drink? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 30. A substance that is used to cut friction between surfaces that are in contact with one another. A) Water. B) Blood. C) Acid. D) Lubricant. Show Answer Correct Answer: D) Lubricant. 31. What are the benefits of hydrogenation? A) Adds more hydrogren. B) Increases the melting point. C) Makes fats healthier. D) Decreases the melting point. Show Answer Correct Answer: B) Increases the melting point. 32. What type of polymer can be repeatedly melted and reshaped? A) Elastomer. B) Thermosetting polymer. C) Biopolymer. D) Thermoplastic polymer. Show Answer Correct Answer: D) Thermoplastic polymer. 33. The molecule pictured is a nucleic acid, which is a polymer. The monomers that make up this nucleic acid are called A) Nucleotides. B) Amino Acids. C) Monosaccharides. D) Fatty acids. Show Answer Correct Answer: A) Nucleotides. 34. Select the option that is a stress strain behavior? A) Abrasion resitance. B) Tensile strength. C) Puncture resistance. D) All of options listed. Show Answer Correct Answer: D) All of options listed. 35. What would the polymer formed from ethene monomers be called? A) Poly(ethene). B) Polyene. C) Poly(propene). D) Polyethene. Show Answer Correct Answer: A) Poly(ethene). 36. Examine the statements below, select which is not an advantage of plastics A) Biodegradability. B) Thermoplastics. C) A range of useful materials used in daily life. D) None of the above. Show Answer Correct Answer: A) Biodegradability. 37. Hardest known material A) Gold. B) Graphite. C) Diamond. D) Ruby. Show Answer Correct Answer: C) Diamond. 38. What is the process used to separate crude oil to get Naptha oil to make Polymers A) Fracking. B) Polymerisation. C) Fractional Distillation. D) Polymer chain. Show Answer Correct Answer: C) Fractional Distillation. 39. Copolymers are polymers formed from A) Condensation reaction. B) Addition reaction. C) Two different monomers. D) A single type of monomer. Show Answer Correct Answer: C) Two different monomers. 40. In Bakelite, the rings are joined to each other through A) OH. B) -CH$_{2}$-. C) -O-. D) -C-. Show Answer Correct Answer: B) -CH$_{2}$-. 41. The key ingredient found in crude oil is ..... This is where we get fuels, lubricants, and raw materials. A) Gasoline. B) Crude. C) Petroleum. D) Hydrocarbons. Show Answer Correct Answer: D) Hydrocarbons. 42. What type of polymer is formed by the polymerization of a single type of monomer? A) Block polymer. B) Terpolymer. C) Copolymer. D) Homopolymer. Show Answer Correct Answer: D) Homopolymer. 43. Which polymer is a carbohydrate? A) Cholesterol. B) Cellulose. C) RNA. D) Polypeptide. Show Answer Correct Answer: B) Cellulose. 44. During a chemistry class, Jonathan and Mia were discussing the process of creating new materials. Jonathan asked, 'What type of reaction is primarily responsible for the formation of addition polymers?' A) Condensation. B) Substitution. C) Addition. D) Elimination. Show Answer Correct Answer: C) Addition. 45. In hydrolysis, water is a ..... A) Reactant. B) Enzyme. C) Product. D) Catalyst. Show Answer Correct Answer: A) Reactant. 46. What is the primary use of biodegradable polymers? A) Making durable goods. B) Packaging and disposable items. C) Construction materials. D) Electrical insulation. Show Answer Correct Answer: B) Packaging and disposable items. 47. Which of the following options is a natural polymer? A) Nylon. B) Cotton. C) Polyethilene. D) Paper. Show Answer Correct Answer: B) Cotton. 48. Material that can be heated and reformed over and over again multiple times A) Monomer. B) Thermoplastic. C) Fiber. D) Thermoset. Show Answer Correct Answer: B) Thermoplastic. 49. Failure due to creep in air is called? A) Creep failure. B) Stress rupture. C) Creep rupture. D) Tensile rupture strain. Show Answer Correct Answer: C) Creep rupture. 50. Which of the following is a polymer of amino acids? A) Starch. B) Protein. C) Cellulose. D) DNA. Show Answer Correct Answer: B) Protein. 51. Monomer of natural rubber is A) Isoprene. B) Neoprene. C) Orlon. D) Terylene. Show Answer Correct Answer: A) Isoprene. 52. What is the primary function of dehydration synthesis in biological systems? A) To break down complex molecules. B) To release energy. C) To build complex molecules. D) To store energy. Show Answer Correct Answer: C) To build complex molecules. 53. Which of the following CORRECTly links the polymer to the type of polymerisation used to form it? A) PVC-condensation polymerisation. B) Polyester-condensation polymerisation. C) Cellulose-addition polymerisation. D) Polyamide-addition polymerisation. Show Answer Correct Answer: B) Polyester-condensation polymerisation. 54. Which plastic is commonly used for window frames, gutters and drain pipes? A) Poly(chloroethene), also called PVC. B) Poly(phenylethene), also called polystyrene. C) Poly(propene), also called polypropene. D) None of the above. Show Answer Correct Answer: A) Poly(chloroethene), also called PVC. 55. Which one is not a semi synthetic rubber A) Cellulose acetate. B) Buna S. C) Vulcanised rubber. D) Cellulose nitrate. Show Answer Correct Answer: B) Buna S. 56. Thermosetting plastic contains ..... in its carbon skeleton A) Cross linked chain. B) Branched chain. C) Continuous chain. D) Linear chain. Show Answer Correct Answer: A) Cross linked chain. 57. Thermoplastic means ..... ? A) It can be broken down by sigma bonds. B) It can be broken down into therms and plasticos. C) It cannot be melted or reformed. D) It can be melted and reformed. Show Answer Correct Answer: D) It can be melted and reformed. 58. Which is an example of a branched polymer A) Microwaveable food container. B) Milk Container. C) Car Tires. D) None of the above. Show Answer Correct Answer: B) Milk Container. 59. Lower molar mass and short polymer chain will results in increase in ESC in short period of time A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 60. Of the following which one is classified as polyester polymer? A) Nylon-66. B) Terylene. C) Melamine. D) Backelite. Show Answer Correct Answer: B) Terylene. ← 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books