This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Chemistry Part Ii > Class 12 Chemistry (Part Ii) Chapter 15 Polymers – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 3 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What were water-absorbing materials made from before the 1920s? A) Silica gel. B) Fiber-based products. C) Rubber. D) Plastic. Show Answer Correct Answer: B) Fiber-based products. 2. Which polymer makes up proteins? A) DNA. B) Polysaccharides. C) Triglyceride. D) Enzymes. Show Answer Correct Answer: D) Enzymes. 3. Which one of the following polymers is prepared by condensation polymerization? A) Rubber. B) Nylon-6, 6. C) Styrene. D) Teflon. Show Answer Correct Answer: B) Nylon-6, 6. 4. The small molecules that make up larger molecules. A) Monomer. B) Plastic. C) Polymer. D) Synthetic. Show Answer Correct Answer: A) Monomer. 5. Which is not an example of a natural polymer A) Cotton. B) Silk. C) Wool. D) Plastic. Show Answer Correct Answer: D) Plastic. 6. Can saturated hydrocarbon undergo addition polymerisation reaction? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 7. Thermoplastic and elastomer differ due to their properties of ..... A) Extensibility. B) Acoustic insulation. C) Mechanical strength. D) Resistivity. Show Answer Correct Answer: A) Extensibility. 8. Predict the orange cap winner for the year 2020!!!! A) Rohit Sharma. B) Faf Du Plessis. C) KI Rahul. D) Mayank Agarwal. Show Answer Correct Answer: C) KI Rahul. 9. One difference between a polymer and a crystal is that ..... A) A crystal is a two-dimensional structure. B) A crystal is a three-dimensional structure. C) A polymer is a three-dimensional structure. D) None of the above. Show Answer Correct Answer: B) A crystal is a three-dimensional structure. 10. What type of reaction is responsible for the formation of polymers from monomers? A) Hydrolysis. B) Dehydration synthesis. C) Combustion. D) Oxidation. Show Answer Correct Answer: B) Dehydration synthesis. 11. Other name of acetone A) Dimethyl ketone. B) Dimethyl carbonyl. C) Propanone. D) All the above. Show Answer Correct Answer: D) All the above. 12. Thermoplastics are made by A) Heating only. B) Molding then heating. C) Molding only. D) Heating then molding. Show Answer Correct Answer: D) Heating then molding. 13. Urea formaldehyde is which sort of polymer? A) Thermo plastic. B) Thermo setting. C) Elastomer. D) Composite. Show Answer Correct Answer: B) Thermo setting. 14. Monomers bond to other monomers through this process: A) Dehydration synthesis. B) Hydrolysis. C) Freezing. D) Gluation. Show Answer Correct Answer: A) Dehydration synthesis. 15. ..... are additives which are added to resins to increase their plasticity and flexibility. A) Fillers. B) Plasticizers. C) Pigments. D) Resins. Show Answer Correct Answer: B) Plasticizers. 16. Which of the following would indicate a basic solution? A) OH-Ions. B) Equal amounts of H+ & OH-Ions. C) A solution with a pH of 10. D) H+ Ions. Show Answer Correct Answer: A) OH-Ions. 17. Which of the following polymer exhibit high flame retardant properties? A) Polyethylene. B) Polyvinyl Chloride. C) Polycarbonate. D) Polystyrene. Show Answer Correct Answer: B) Polyvinyl Chloride. 18. Protein is an example of which kind of polymer A) Synthetic. B) Natural. C) All the above. D) None of the above. Show Answer Correct Answer: B) Natural. 19. Bulk polymerization is used to prepare ..... A) PVC. B) Polythene. C) Polycarbonate. D) Nylon 6, 6. Show Answer Correct Answer: A) PVC. 20. What is the primary function of monomers in biological systems? A) To store genetic information. B) To act as catalysts in chemical reactions. C) To provide structural support to cells. D) To serve as building blocks for larger molecules. Show Answer Correct Answer: D) To serve as building blocks for larger molecules. 21. What is a synthetic polymer? A) A polymer that occurs naturally. B) A polymer that is the result of a volcanic eruption. C) A polymer that is human made. D) There is no such thing as a synthetic polymer. Show Answer Correct Answer: C) A polymer that is human made. 22. The correct statement about Thermosetting Plastics is A) They can be reshaped using heat and pressure. B) They are lighter plastics. C) They can be recycled. D) They can not be reshaped using heat and pressure. Show Answer Correct Answer: D) They can not be reshaped using heat and pressure. 23. True or False:The monomer Ethylene cannot be modified by altering bonded atoms to form other polymer chains. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 24. A molecule that is used as the basic building block of some larger molecule. Greek term meaning "one part" . A) Polymer. B) Monomer. C) Molecule. D) Atom. Show Answer Correct Answer: B) Monomer. 25. Tiffany is conducting an experiment in her chemistry lab. She wants to know what the process is called by which monomers with double bonds join together to form polymers without the loss of any atoms. A) Chain-growth polymerization. B) Condensation polymerization. C) Addition polymerization. D) Ring-opening polymerization. Show Answer Correct Answer: C) Addition polymerization. 26. What is the ratio carbon:hydrogen:oxygen in carbohydrates? A) 2:1:2. B) 2:1:1. C) 1:1:1. D) 1:2:1. Show Answer Correct Answer: D) 1:2:1. 27. Aromatic structures are known for their A) Shape. B) Taste. C) Smell. D) Color. Show Answer Correct Answer: C) Smell. 28. Which of the following is the source for making synthetic polymers? A) Palm oil. B) Coal. C) Mineral ore. D) Petroleum. Show Answer Correct Answer: D) Petroleum. 29. During a chemistry class, Tiffany learned about different types of molecules. Her teacher asked the class, "Which of the following is an example of a monomer used in the production of addition polymers?" A) Propene. B) Ethanol. C) Acetic acid. D) Butan-2-one. Show Answer Correct Answer: A) Propene. 30. What are the types of copolymers A) Random. B) Block. C) Graft. D) All of the above. Show Answer Correct Answer: D) All of the above. 31. Synthetic polymer tend to poor conductors of ..... A) Only heat. B) Only electricity. C) Heat and electricity. D) Neither. Show Answer Correct Answer: C) Heat and electricity. 32. Which group of organic molecules serve as long-term energy storage and waterproof coverings? A) Proteins. B) Lipids. C) Carbohydrates. D) Nucleic acids. Show Answer Correct Answer: B) Lipids. 33. What kind of polymer has chains that are strongly cross linked in networks and doesn't soften when heated? A) Thermoplastic polymer. B) Thermosetting polymer. C) Network polymer. D) Cross-linked polymer. Show Answer Correct Answer: B) Thermosetting polymer. 34. What is the process called when cellulose is turned into a synthetic fibre similar to silk but cost less to produce? A) Synthetic Process. B) Silk Process. C) Cheap Process. D) Viscose Process. Show Answer Correct Answer: D) Viscose Process. 35. Which feature of Polyvinyl Chloride (PVC) makes it suitable for manufacturing medical tubing and blood bags? A) It is the most common plastic in everyday life. B) It cannot be welded or bonded with an adhesive. C) It is mainly used for making toys. D) It can be either hard or flexible. Show Answer Correct Answer: D) It can be either hard or flexible. 36. What feature makes a molecule an alkene? A) Carbon-carbon quadruple bond. B) Carbon-carbon triple bond. C) Carbon-carbon single bond. D) Carbon-carbon double bond. Show Answer Correct Answer: D) Carbon-carbon double bond. 37. Given the polymers:A=Nylon, B=Buna-SC=Polythene.Arrange these in the increasing order of their intermolecular forces. A) A B) A C) B D) C Show Answer Correct Answer: C) B 38. Which one of the following is an example of copolymer? A) Teflon. B) Polypropylene. C) PVC. D) Buna-S. Show Answer Correct Answer: D) Buna-S. 39. Thermoplastic polymers melt when heated, while thermosetting polymers do not melt when heated. True or false? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 40. In the condensation process this happens: A) A small molecule is lost. B) The monomers are added without releasing a molecule. C) Alcohols are formed. D) The same monomer is repeated over and over. Show Answer Correct Answer: A) A small molecule is lost. 41. Which type of bond links the monomers in a carbohydrate? A) Phosphodiester bond. B) Ester bond. C) Glycosidic bond. D) Peptide bond. Show Answer Correct Answer: C) Glycosidic bond. 42. Which one is used as fibre A) Orlon. B) Nylon. C) Teflon. D) Neoprene. Show Answer Correct Answer: B) Nylon. 43. ..... are added mainly to thermosetting resins to accelerate the polymerisation A) Plasticizers. B) Pigments. C) Fillers. D) Catalysts. Show Answer Correct Answer: D) Catalysts. 44. Which process involves the removal of water to form a bond between two monomers? A) Dehydration synthesis. B) Polymerization. C) Hydrolysis. D) Condensation reaction. Show Answer Correct Answer: A) Dehydration synthesis. 45. What is the main characteristic of thermosetting polymers? A) They are soluble in water. B) They become permanently hard upon heating. C) They can be remolded upon heating. D) They are biodegradable. Show Answer Correct Answer: B) They become permanently hard upon heating. 46. What is a crystal? A) A pure material that can't be changed. B) Material with a regular, repeating arrangement of atoms. C) A foggy like material. D) None of the above. Show Answer Correct Answer: B) Material with a regular, repeating arrangement of atoms. 47. What's the correct definition of these keywords?polyester A) A condensation polymer formed from a dicarboxylic acid and an alkene. B) An addition polymer formed from a dicarboxylic acid and a diol. C) A condensation polymer formed from a dicarboxylic acid and a diol. D) None of the above. Show Answer Correct Answer: C) A condensation polymer formed from a dicarboxylic acid and a diol. 48. The polymer below that uses as a water pipes is A) Polyvinylchloride. B) Polyester. C) Polyethene. D) Polystyrene. Show Answer Correct Answer: A) Polyvinylchloride. 49. The addition of water is called ..... A) Hydrogenation. B) Halogenation. C) Dehydration. D) Hydration. Show Answer Correct Answer: D) Hydration. 50. Which of the following is an example of a polymer? A) Amino acid. B) Glucose. C) Water. D) Protein. Show Answer Correct Answer: D) Protein. 51. Are ceramics ..... A) Good insulators. B) Good conductors. C) All the above. D) None of the above. Show Answer Correct Answer: A) Good insulators. 52. What is the name of the polymer formed from the monomer ethene? A) Polystyrene. B) Polybutadiene. C) Polyethylene. D) Polypropylene. Show Answer Correct Answer: C) Polyethylene. 53. Which plastic is used the most? A) Polystyrene (PS). B) Polyethylene Terephthalate (PET). C) Polypropylene (PP). D) Polyvinyl Chloride (PVC). Show Answer Correct Answer: B) Polyethylene Terephthalate (PET). 54. A polymer made in the laboratory (or industry) usually made from petrochemicals A) Natural polymer. B) Polymer clay. C) Rubber. D) Synthetic polymer. Show Answer Correct Answer: D) Synthetic polymer. 55. You add bromine water to an unsaturated hydrocarbon. The bromine water: A) Stays the same (remains orange/brown). B) Goes colourless. C) All the above. D) None of the above. Show Answer Correct Answer: A) Stays the same (remains orange/brown). 56. Which of the following statements is not correct for fibres? A) Fibres possess high tensile strength and high modulus. B) Fibers impart crystalline nature. C) Characteristic features of fibres are due to strong intermolecular forces like hydrogen bonding. D) All are correct. Show Answer Correct Answer: D) All are correct. 57. The basic unit of chemical element. They contain a nucleus with protons and neutrons. A) Electron. B) Proton. C) Carbon. D) Atom. Show Answer Correct Answer: D) Atom. 58. What are the benefits of biodegradable plastics? A) They increase plastic waste. B) They can reduce plastic waste and break down into natural materials. C) They do not break down and cause pollution. D) They are more expensive and less durable. Show Answer Correct Answer: B) They can reduce plastic waste and break down into natural materials. 59. Larger polymers are formed when monomers are joined together by a ..... reaction. A) Hydrolysis. B) Digestion. C) Catabolic. D) Dehydration synthesis. Show Answer Correct Answer: D) Dehydration synthesis. 60. A reaction that involves the removal of water to form a larger molecule is known as: A) Hydrolysis. B) Oxidation. C) Dehydration synthesis. D) Condensation. Show Answer Correct Answer: C) Dehydration synthesis. ← 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 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 8Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books