This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 15 Polymers – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 9 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What type of polymer is made from just one type of monomer A) Copolymer. B) Megapolymer. C) Homopolymer. D) Monomer. Show Answer Correct Answer: C) Homopolymer. 2. 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. 3. 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. 4. 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. 5. During the manufacturing of children's toys, which process is NOT typically used? A) Injection Moulding. B) Blow Moulding. C) Vacuum Forming. D) Solvent Bonding. Show Answer Correct Answer: D) Solvent Bonding. 6. 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. 7. What is Polymer? A) A long chain molecule made of many smaller molecules called monomers. B) A small molecule made of one atom. C) A large molecule made of twisted chains. D) A large molecule in the shape of the letter "P". Show Answer Correct Answer: A) A long chain molecule made of many smaller molecules called monomers. 8. The polymer which is used in manufacture of squeeze bottles is A) Polystyrene. B) Teflon. C) Polypropene. D) Low density polythene. Show Answer Correct Answer: D) Low density polythene. 9. What kind of chemical bonds create polymers? A) Ionic. B) Covalent. C) Hydrogen. D) Metallic. Show Answer Correct Answer: B) Covalent. 10. What was the brand name of the first polymer to be used to make toys, phones and electrical insulators? A) Plastic. B) Bakelite. C) Styrofoam. D) Silly Putty. Show Answer Correct Answer: B) Bakelite. 11. 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-. 12. 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. 13. What element is commonly added to iron to make an alloy with higher strength than the iron alone? A) Carbon. B) Glass. C) Steel. D) Clay. Show Answer Correct Answer: A) Carbon. 14. Which is not a natural polymer A) Silk. B) Wool. C) Cotton. D) Rubber. Show Answer Correct Answer: D) Rubber. 15. The catalyst used for olefin polymerisation is A) Ziegler-Natta catalyst. B) Wilkinson catalyst. C) Raney nickel catalyst. D) Merrified Resin. Show Answer Correct Answer: A) Ziegler-Natta catalyst. 16. Which one needs at least one diene monomer for its formation A) Dacron. B) Buna-s. C) Bakelite. D) Novolac. Show Answer Correct Answer: B) Buna-s. 17. What is the effect of valence cations on SAP's water absorption? A) Changes the color of the SAP. B) Increases absorption. C) No effect. D) Decreases absorption. Show Answer Correct Answer: D) Decreases absorption. 18. Which material would you use for surgical stitches? A) Acrylic. B) HIPS. C) Biopol. D) Urea Formaldehyde. E) Polyester resin. Show Answer Correct Answer: C) Biopol. 19. ANALOGY:If a house were a polymer, the monomers would be: A) The people living there. B) The neighborhood in which it is located. C) The bricks used to build it. D) The team responsible for building it. Show Answer Correct Answer: C) The bricks used to build it. 20. 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. 21. A chain of repeating units (called monomers) A) Monomer. B) Dimer. C) Replicate. D) Polymer. Show Answer Correct Answer: D) Polymer. 22. Which polymer is suitable to make water pipes? A) Polyethene. B) Polystyrene. C) Polyvinyl chloride. D) Polypropene. Show Answer Correct Answer: C) Polyvinyl chloride. 23. 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. 24. The process of vulcanization which makes rubber more rigid and very strong is due to which of the following. A) Extra branches. B) Adding crosslinks of sulfur. C) Reduction in the number of branches. D) Removing crosslinks. Show Answer Correct Answer: B) Adding crosslinks of sulfur. 25. Which of the following polymers is biodegradable? A) Polyethylene. B) Polylactic acid (PLA). C) Polyvinyl chloride. D) Polystyrene. Show Answer Correct Answer: B) Polylactic acid (PLA). ← PreviousNext →Related 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 8Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 10Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books