This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Chemistry Part Ii > Class 12 Chemistry (Part Ii) Chapter 15 Polymers – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 5 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is an example of a polymer and its corresponding monomer? A) DNA and amino acids. B) Proteins and nucleotides. C) Carbohydrates and monosaccharides. D) Lipids and glucose. Show Answer Correct Answer: C) Carbohydrates and monosaccharides. 2. Which of these objects is a ceramic? A) Tarmac. B) Water bottle. C) Brick. D) Pylon. Show Answer Correct Answer: C) Brick. 3. What is the chemical formula of ethylene? A) C2H4. B) CH4. C) CH3-CH3. D) C3H6. Show Answer Correct Answer: A) C2H4. 4. Which of these is a name for a polymer? A) Carboxyl group. B) Polythene. C) Polymeno. D) Glucose. Show Answer Correct Answer: B) Polythene. 5. Caprolactum is the monomer of A) PHBV. B) Nylon 66. C) Nylon 26. D) Nylon 6. Show Answer Correct Answer: D) Nylon 6. 6. The term degree of polymerisation refers to A) The number of atoms in the monomer. B) How well the plastic has been educated. C) The strength of the bonds in a polymer chain. D) The length of polymer chain. Show Answer Correct Answer: D) The length of polymer chain. 7. Which of these is an advantage of incinerating polymers? A) The energy may be used to generate electricity. B) It is cheap to set up. C) Plastics do not need to be sorted into different types. D) No harmful gases are produced. Show Answer Correct Answer: A) The energy may be used to generate electricity. 8. ..... is an advantage of synthetic polymers. A) Resistant to Chemicals. B) Flimsy. C) Electrical & Thermal Conductors. D) Both A & C. Show Answer Correct Answer: A) Resistant to Chemicals. 9. Carbon can form ..... bonds with other elements. A) 1. B) 4. C) 2. D) 3. Show Answer Correct Answer: B) 4. 10. What is a polymerisation reaction? A) Combustion of hydrocarbons. B) Addition of monomers to make a polymer. C) Addition of polymers to make a monomer. D) Formation of hydrocarbons. Show Answer Correct Answer: B) Addition of monomers to make a polymer. 11. The process by which polymers and plastics are made is called ..... ? A) Polymerisation. B) Thermocation. C) Plastication. D) Carbonification. Show Answer Correct Answer: A) Polymerisation. 12. Polymers are made of repeating molecules in a ..... A) 3-dimensional shape. B) Chain formation. C) All the above. D) None of the above. Show Answer Correct Answer: B) Chain formation. 13. Photo receptor functions to ..... A) Sense the physicochemical signals and exhibits new output functions. B) Donate protons. C) Capture optical signals and converts them to physicochemical signals. D) Shift the hydrophobic and hydrophilic balance. Show Answer Correct Answer: C) Capture optical signals and converts them to physicochemical signals. 14. What is the result of a dehydration synthesis reaction? A) Energy is released. B) Monomers are separated. C) Water is consumed. D) Polymers are formed. Show Answer Correct Answer: D) Polymers are formed. 15. What type of plastic is most commonly use for disposable cups, food containers, cheap toys, and school based vacuum forming? A) ACrylic. B) Expanded polystyrene. C) High Density Polyethylene. D) HIPS (high Impact Polystyrene). Show Answer Correct Answer: D) HIPS (high Impact Polystyrene). 16. Trend in band gap as one goes down in a group of semiconductors A) Decreases. B) Increases. C) Accelerates. D) The same. Show Answer Correct Answer: A) Decreases. 17. Esters are formed from an alcohol and a carboxylic acid A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 18. Which monomer makes up polysaccharides? A) Fatty acid and glycerol. B) Monosaccharides. C) Nucleotides. D) Amino acids. Show Answer Correct Answer: B) Monosaccharides. 19. What are polymers formed from? A) Ions. B) Crystals. C) Atoms. D) Monomers. Show Answer Correct Answer: D) Monomers. 20. What type of bond is typically formed during dehydration synthesis? A) Ionic bond. B) Covalent bond. C) Hydrogen bond. D) Metallic bond. Show Answer Correct Answer: B) Covalent bond. 21. A synthetic material used chiefly to make fabrics. The actual chemical name for the material used is polyethylene terephthalate. A) Glucose. B) Polyester. C) Nylon. D) Component. Show Answer Correct Answer: B) Polyester. 22. Which of the following is a use of Poly(ethene)? A) Plastic bottles. B) Ropes. C) Water pipes. D) Window frames. Show Answer Correct Answer: A) Plastic bottles. 23. What do we call the process that creates polymers? A) Polymer fusion. B) Ionic bonding. C) Polymerization. D) Hydrogen bonding. Show Answer Correct Answer: C) Polymerization. 24. Thermosets can be reshaped A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 25. Which molecules are primarily involved in forming the structure of proteins? A) Amino acids that link to form polypeptide chains. B) Nucleic acids that carry genetic information. C) Lipids that create cellular boundaries. D) Carbohydrates that provide energy. Show Answer Correct Answer: A) Amino acids that link to form polypeptide chains. 26. What is the process called when monomers are joined together to form a polymer with the release of a small molecule like water? A) Addition polymerization. B) Ionic polymerization. C) Free radical polymerization. D) Condensation polymerization. Show Answer Correct Answer: D) Condensation polymerization. 27. In the formation of a disaccharide from two monosaccharides, what type of reaction occurs? A) Dehydration synthesis. B) Reduction. C) Oxidation. D) Hydrolysis. Show Answer Correct Answer: A) Dehydration synthesis. 28. What is the definition of a functional group? A) Family of organic molecules with the same functional group. B) Gives a family of organic molecules their characteristic reactions. C) Compound consisting of just hydrogen and carbon. D) The group on the end of a molecule. Show Answer Correct Answer: B) Gives a family of organic molecules their characteristic reactions. 29. Monomers use this type of bond to form polymers A) Metallic. B) Covalent. C) Ionic. D) Nuclear. Show Answer Correct Answer: B) Covalent. 30. One way to recycle this is through a process by "Agilyx" that uses heat to break the polymer into monomers to be reformed again. A) DNA. B) Silk. C) Starch. D) Styrofoam. Show Answer Correct Answer: D) Styrofoam. 31. Polymers are synthesized via A) Dehydration. B) Addition. C) Dehydration and addition. D) Neither. Show Answer Correct Answer: C) Dehydration and addition. 32. At what degree Celsius does thermoplastic reach its softening point where it can be stretched to its desired shape? A) 250 degree Celsius. B) 20 degree Celsius. C) 25 degree Celsius. D) 200 degree Celsius. Show Answer Correct Answer: D) 200 degree Celsius. 33. If you were to look at grains of table salt (sodium chloride, NaCl) with a magnifying glass, you would see that each grain is a little cube. Why are salt grains cubical? A) All extended structure compounds form cubes. B) Sodium and chlorine atoms both have cubical shapes. C) In the extended structure of NaCl, atoms are arranged in a cubical pattern. D) A molecule of NaCl contains eight atoms, each at one of the corners of a cube. Show Answer Correct Answer: C) In the extended structure of NaCl, atoms are arranged in a cubical pattern. 34. Which of the following is a characteristic of thermosetting polymers? A) They soften when heated and can be reshaped. B) They are soluble in water. C) They harden permanently when heated. D) They are made from natural sources only. Show Answer Correct Answer: C) They harden permanently when heated. 35. What is the role of water in hydrolysis reactions? A) It is a reactant. B) It is not involved. C) It acts as a catalyst. D) It is a product. Show Answer Correct Answer: A) It is a reactant. 36. What is an example of a natural polymer? A) PTFE. B) PVC. C) DNA. D) Polyethylene. Show Answer Correct Answer: C) DNA. 37. How many carbons (how long) are polyethylene chains? A) 0-10 carbons. B) 10, 000 or more carbons. C) 10-100 carbons. D) 100-1000 carbons. Show Answer Correct Answer: B) 10, 000 or more carbons. 38. Which of the following is a synthetic polymer? A) Wool. B) Silk. C) Nylon. D) Cellulose. Show Answer Correct Answer: C) Nylon. 39. ..... method is applicable mainly to the thermoplastic resins. A) Injection moulding. B) Blow moulding. C) Extrusion moulding. D) Compression moulding. Show Answer Correct Answer: A) Injection moulding. 40. Imagine you're working with a variety of materials in a product design workshop. What property would you find common in materials classified as thermoplastics? A) They cannot be recycled. B) They soften when heated. C) They are used mainly for insulation. D) They are all derived from natural materials. Show Answer Correct Answer: B) They soften when heated. 41. Viscoelastic strain means A) Plastic strain. B) Elastic strain. C) Both. D) None. Show Answer Correct Answer: C) Both. 42. What conditions are required for addition polymerization reactions to work? A) Low pressures and a catalyst. B) High pressures and a catalyst. C) Low pressures and no catalyst. D) High pressures and no catalyst. Show Answer Correct Answer: B) High pressures and a catalyst. 43. Which of the following would be a suitable use for nylon? A) Making water pipes. B) Making vinyl records. C) Making ropes. D) Making packing foam. Show Answer Correct Answer: C) Making ropes. 44. A ..... consists of many monomers bonded together. A) Monomer. B) Peptide. C) Polymer. D) Hydrocarbon. Show Answer Correct Answer: C) Polymer. 45. A monomer breaks one of its double bonds and uses the freed electrons to bond with other monomers. What is the name of this process? A) Bond polymerization. B) Polypolymerization. C) Addition polymerization. D) Carbon polymerization. Show Answer Correct Answer: C) Addition polymerization. 46. Which of the following best describes the process of polymerization? A) The conversion of polymers into energy. B) The transformation of monomers into ions. C) The breakdown of polymers into monomers. D) The combination of monomers to form a polymer. Show Answer Correct Answer: D) The combination of monomers to form a polymer. 47. The monomer used to produce orlon is $_{ }$ A) $_{ }$c. CH$_{2}$=CHCl. B) A. CH$_{2}$=CHF. C) B.CH$_{2}$=CCl$_{2 }$. D) D. CH$_{2}$=CH-CN. Show Answer Correct Answer: D) D. CH$_{2}$=CH-CN. 48. Which of the following is a polyamide? A) Teflon. B) Terylene. C) Bakelite. D) Nylon-6, 6. Show Answer Correct Answer: D) Nylon-6, 6. 49. Which material would you use for sports car bodies? A) HIPS. B) Polyester resin. C) Biopol. D) Acrylic. E) Urea Formaldehyde. Show Answer Correct Answer: B) Polyester resin. 50. Copolymers can be described as: A) A polymer formed by condensation. B) A polymer formed with the same monomer repeated. C) A polymer formed with different types of monomers. D) A polymer that is thermoflexible. Show Answer Correct Answer: C) A polymer formed with different types of monomers. 51. A molecule that can be bonded to other identical molecules to form a polymer. A) Enzyme. B) Polymer. C) Biomolecule. D) Monomer. Show Answer Correct Answer: D) Monomer. 52. A nonmetal, semiconducting element used in making electronic circuits. A) Carbon. B) Phosphorous. C) Silicon. D) Neon. Show Answer Correct Answer: C) Silicon. 53. Which of the following is not a characteristic trait of polymer materials? A) Resistant to chemical attack. B) Low density. C) High strength. D) Low cost. Show Answer Correct Answer: C) High strength. 54. Which monomer makes up triglycerides? A) Fatty acid and glycerol. B) Glucose. C) Nucleotides. D) Amino acids. Show Answer Correct Answer: A) Fatty acid and glycerol. 55. True or False:All polymers are synthetic. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 56. What type of polymer is made from two or more different types of monomer A) Homopolymer. B) Monomer. C) Duomer. D) Copolymer. Show Answer Correct Answer: D) Copolymer. 57. Which of the following is a fully fluorinated polymer? A) Thiokol. B) PVC. C) Teflon. D) Neoprene. Show Answer Correct Answer: C) Teflon. 58. In the addition process, this happens: A) There is a proton attack. B) A small molecule is lost. C) There is no release of a small molecule from the growing polymer chain. D) Double bonds are formed. Show Answer Correct Answer: C) There is no release of a small molecule from the growing polymer chain. 59. Polymer:A class of natural or synthetic substances composed of very large molecules, called ..... , that are multiples of simpler chemical units called monomers. A) Polystyrenes. B) Keratins. C) Nylons. D) Macromolecules. Show Answer Correct Answer: D) Macromolecules. 60. Thermoplastic polymers A) Contains no cross-links. B) Contains many cross-links. C) Contains a few cross-links. D) None of the above. Show Answer Correct Answer: A) Contains no cross-links. ← 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 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