This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Chemistry Part Ii > Class 12 Chemistry (Part Ii) Chapter 15 Polymers – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 2 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... moulding is used to fabricate hollow bottles. A) Extrusion. B) Injection. C) Blow. D) Compression. Show Answer Correct Answer: C) Blow. 2. It is a transparent plastic material with outstanding strength, stiffness and optical clarity. It is easy to fabricate, bonds well with adhesives and solvents, and is easy to thermoform. It has superior weathering properties compared to many other transparent plastics. A) Acrylic. B) Polymer. C) Silk. D) Wool. Show Answer Correct Answer: A) Acrylic. 3. All polymers are synthetic. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 4. Nylon threads are made of A) Polyethylene polymer. B) Polyvinyl polymer. C) Polyamide polymer. D) Polyester polymer. Show Answer Correct Answer: C) Polyamide polymer. 5. During dehydration synthesis, what is removed from the reacting molecules? A) Oxygen. B) Water. C) Hydrogen. D) Carbon dioxide. Show Answer Correct Answer: B) Water. 6. How do nucleotides contribute to the function of nucleic acids in living organisms? A) Nucleotides do not contribute to the function of nucleic acids. B) Nucleotides are the building blocks of nucleic acids, allowing them to store and transfer genetic information. C) Nucleotides only contribute to the color of nucleic acids. D) Nucleotides are only involved in the energy storage of nucleic acids. Show Answer Correct Answer: B) Nucleotides are the building blocks of nucleic acids, allowing them to store and transfer genetic information. 7. On the basis of mode of formation polymers can be classified: A) As addition polymers only. B) As condensation polymers only. C) As copolymers. D) As addition and condensation polymers. Show Answer Correct Answer: D) As addition and condensation polymers. 8. Which material would you use for children's toys? A) Biopol. B) Polyester resin. C) Acrylic. D) HIPS. E) Urea Formaldehyde. Show Answer Correct Answer: D) HIPS. 9. Nylon can be used suitably for? A) Making vinyl records. B) Making hoses. C) Making gaskets. D) Making ropes. Show Answer Correct Answer: D) Making ropes. 10. What is the most common type of SAP made in the world today? A) Ethylene maleic anhydride copolymer. B) Sodium polyacrylate. C) Starch grafted copolymer of polyacrylonitrile. D) Polyacrylamide copolymer. Show Answer Correct Answer: B) Sodium polyacrylate. 11. The monomers of terylene are A) Phenol and formaldehyde. B) Ethylene glycol and phthalic acid. C) Adipic acid and hexamethylenediamine. D) Ethylene glycol and terephthalic acid. Show Answer Correct Answer: D) Ethylene glycol and terephthalic acid. 12. The basic unit of a polymer is known as monomer. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 13. Which of the words given below best describe the structure of a polymer? A) Crystalline. B) Grain. C) Amorphous. D) Laminated. Show Answer Correct Answer: C) Amorphous. 14. Engineering polymers are designed to A) Improve strength. B) Decrease process cost. C) Be mass produced. D) All of the above. Show Answer Correct Answer: A) Improve strength. 15. Repeating units that make a molecule A) Macromolecules. B) Monomer. C) Polymer. D) None of the above. Show Answer Correct Answer: B) Monomer. 16. What monomer would be used to make the polymer poly(ethylene)? A) Ethyl chloride. B) Ethylene. C) Ethane. D) Ethanol. Show Answer Correct Answer: B) Ethylene. 17. Which of the following is a polymer formed from amino acids? A) Polypeptide. B) DNA. C) Triglyceride. D) Cellulose. Show Answer Correct Answer: A) Polypeptide. 18. Which of the following statements about condensation polymerisation is NOT TRUE? A) The produced polymers are condensation polymers. B) A small molecule is produced for each new bond formed. C) Each monomer must contains at least two functional groups. D) Monomers generally consist of non-metallic elements only. Show Answer Correct Answer: D) Monomers generally consist of non-metallic elements only. 19. A solid consisting of a symmetrical, ordered, three-dimensional arrangement of atoms or molecules. A) Pendant group. B) Crystal. C) Molecule. D) Cell. Show Answer Correct Answer: B) Crystal. 20. Thermosets has ..... between its polymer chains. A) Salt hydrates. B) Hydrogen bonds. C) Crosslinks. D) Van der Waals forces. Show Answer Correct Answer: C) Crosslinks. 21. Which monomer makes up enzymes? A) Fatty acid and glycerol. B) Glucose. C) Nucleotides. D) Amino acids. Show Answer Correct Answer: D) Amino acids. 22. Identify a thermoset plastic A) Acrylic. B) PMMA. C) ABS. D) Polyester Resin. Show Answer Correct Answer: D) Polyester Resin. 23. When silicone is heated to high temperatures it can be remolded into a new shape. A) True. B) False. C) Only at very high temperatures. D) Only when chopped up first into small pieces. Show Answer Correct Answer: B) False. 24. PVC gives which color flame in copper wire test? A) Red. B) Green. C) Blue. D) Yellow. Show Answer Correct Answer: B) Green. 25. Nucleotides, glucose, amino acids A) Monomers. B) Polymers. C) Esters. D) None of the above. Show Answer Correct Answer: A) Monomers. 26. Car engines produce which acidic gas? A) Carbon dioxide. B) Nitrogen oxide. C) Sulfur dioxide. D) None of the above. Show Answer Correct Answer: B) Nitrogen oxide. 27. What is the primary use of polyvinyl chloride (PVC)? A) Textile fibers. B) Packaging materials. C) Pipes and fittings. D) Rubber products. Show Answer Correct Answer: C) Pipes and fittings. 28. Which monomer makes up DNA? A) Fatty acid and glycerol. B) Monosaccharides. C) Nucleotides. D) Amino acids. Show Answer Correct Answer: C) Nucleotides. 29. The term polymerisation usually refers to A) The forming of the polymer chain. B) The length of the polymer chain. C) The type of plastic. D) The forming of atoms into the monomer. Show Answer Correct Answer: A) The forming of the polymer chain. 30. Ceramic materials have high melting points. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 31. The small molecules that forms the large molecules are called ..... A) Monomers. B) Copolymers. C) Economer. D) Polymer. Show Answer Correct Answer: A) Monomers. 32. Synthetic polymers are made from: A) Trees. B) Plastic. C) Wood. D) Fossil fuels. Show Answer Correct Answer: D) Fossil fuels. 33. The word polymer comes from the Greek meaning ..... ? A) Many parts. B) Twisted. C) Together by choice. D) Bonded together. Show Answer Correct Answer: A) Many parts. 34. Which pair of monomer and polymer is matched correctly? A) Perspex-methyl methacrylate. B) Polyvinyl chloride-butene. C) Polystyrene-isoprene. D) Polythene-propene. Show Answer Correct Answer: A) Perspex-methyl methacrylate. 35. What does 'poly' and 'mer' mean in the term 'polymer'? A) Single part. B) Chemical bond. C) Complex structure. D) Many parts. Show Answer Correct Answer: D) Many parts. 36. Paints and lacquers are prepared using A) Melamine. B) Polystyrene. C) Bakelite. D) Glyptal. Show Answer Correct Answer: D) Glyptal. 37. What is the percentage of plastic product that is associated with ESC failure every year? A) 50-55%. B) 10-15%. C) 25-30%. D) 45-50%. Show Answer Correct Answer: C) 25-30%. 38. Deformation behavior of a thermoplastic plastic above glass transition temperature A) Viscous fluid. B) Brittle. C) Leathery and then rubbery. D) Glassy. Show Answer Correct Answer: C) Leathery and then rubbery. 39. An example of a natural polymer is: A) A protein. B) PVC (polyvinyl chloride). C) PET. D) Polyethylene. Show Answer Correct Answer: A) A protein. 40. Which material would you use for electric fittings? A) Urea Formaldehyde. B) HIPS. C) Polyester resin. D) Biopol. E) Acrylic. Show Answer Correct Answer: A) Urea Formaldehyde. 41. A single unit or molecule A) Macromolecule. B) Dimer. C) Monomer. D) Polymer. Show Answer Correct Answer: C) Monomer. 42. Tavon is conducting an experiment on addition polymerization in his chemistry lab. He wonders what happens to the double bonds of the monomers during the process. A) They remain unchanged in the polymer. B) They are converted into single bonds, forming a polymer chain. C) They are eliminated as small molecules. D) They form cross-links between polymer chains. Show Answer Correct Answer: B) They are converted into single bonds, forming a polymer chain. 43. The material that is difficult to recycle is A) Polystyrene. B) Polyethelene terephthalate. C) Polyvinyl chloride. D) Low-density polyethylene. Show Answer Correct Answer: A) Polystyrene. 44. Which aspect of polymers'advantage is not mentioned in our slides? A) Aerospace & Defense. B) Power & Energy. C) Medical & Life sciences. D) Machined Parts. Show Answer Correct Answer: D) Machined Parts. 45. Putty, is one of the polymers that can be stretched like elastics and also will come back to their original shape A) Monomers. B) Thermo setting polymers. C) Elastomers. D) Thermoplastic polymers. Show Answer Correct Answer: C) Elastomers. 46. Which one is NOT the types of thermoplastics? A) Polyethylene. B) Nylon. C) Polyvinylchloride. D) Polystyrene. E) Phenolics. Show Answer Correct Answer: E) Phenolics. 47. Addition 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: B) Non biodegradable and very hard to recycle. 48. Which polymer makes up carbohydrates? A) Triglyceride. B) DNA. C) Polysaccharides. D) Enzymes. Show Answer Correct Answer: C) Polysaccharides. 49. Nylon 6 can be used suitably for? A) Making vinyl records. B) Making plastic bags. C) Making hoses. D) Making automotive textiles. Show Answer Correct Answer: D) Making automotive textiles. 50. What is the monomer of poly(propene)? A) Ethene. B) Poly. C) Propene. D) Propane. Show Answer Correct Answer: C) Propene. 51. The process of heat softening, moulding and cooling to rigidness can be repeated for which plastics? A) Thermoplastics. B) Thermosetting plastics. C) Both (a) and (b). D) Neither (a) nor (b). Show Answer Correct Answer: A) Thermoplastics. 52. What is the smallest protein found in nature? A) Hemoglobin. B) Insulin. C) TRP Cage. D) Collagen. Show Answer Correct Answer: C) TRP Cage. 53. What is the name of the polymer made from chemically modified cellulose and used to make silent-movie film? A) Celluloid. B) Bakelite. C) Polypropylene. D) Polyethylene. Show Answer Correct Answer: A) Celluloid. 54. Which of the following determine the properties of a polymer? A) Chemical nature of the monomer. B) Length of the polymer chain. C) How the monomers are joined together. D) All of the above. Show Answer Correct Answer: D) All of the above. 55. Smaller molecules that combine to form polymers is called A) Monomer. B) Polymer. C) Transformer. D) None of the above. Show Answer Correct Answer: A) Monomer. 56. Which is NOT a reason polymers are so popular? A) Easy to synthesize. B) Wide range of properites. C) Ingredients are expensive. D) Variety of uses. Show Answer Correct Answer: C) Ingredients are expensive. 57. Which one is NOT TRUE about types of Additives by Functions? A) Plasticizers-to soften polymer and improve the flow. B) Lubricants-to reduce friction and improve the flow. C) Cross-linking agents-to reduce degradation from sunlight. D) Fillers-to strengthen polymer or reduce cost. E) Colorants-pigments or dyes. Show Answer Correct Answer: C) Cross-linking agents-to reduce degradation from sunlight. 58. The viscosity of ..... fluids change when a force is applied to them. A) Newtonian. B) Non-Newtonian. C) All the above. D) None of the above. Show Answer Correct Answer: B) Non-Newtonian. 59. What should be done to natural rubber to produce tyres that are harder and more heat resistant? A) Add ethanoic acid. B) Add ammonia solution. C) Add iron wire. D) Heat with sulphur. Show Answer Correct Answer: D) Heat with sulphur. 60. Some polymers can be made from natural materials? True or False? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. ← PreviousNext →Related QuizzesScience QuizzesClass 12 QuizzesClass 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 1Class 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 8Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books