This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 15 Polymers – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 7 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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) Condensation polymerization. B) Addition polymerization. C) Ring-opening polymerization. D) Chain-growth polymerization. Show Answer Correct Answer: B) Addition polymerization. 2. What is the ratio carbon:hydrogen:oxygen in carbohydrates? A) 1:1:1. B) 1:2:1. C) 2:1:1. D) 2:1:2. Show Answer Correct Answer: B) 1:2:1. 3. Aromatic structures are known for their A) Taste. B) Shape. C) Color. D) Smell. Show Answer Correct Answer: D) Smell. 4. Which of the following is the source for making synthetic polymers? A) Coal. B) Mineral ore. C) Palm oil. D) Petroleum. Show Answer Correct Answer: D) Petroleum. 5. 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) Ethanol. B) Propene. C) Butan-2-one. D) Acetic acid. Show Answer Correct Answer: B) Propene. 6. 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. 7. 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. 8. Which group of organic molecules serve as long-term energy storage and waterproof coverings? A) Proteins. B) Carbohydrates. C) Lipids. D) Nucleic acids. Show Answer Correct Answer: C) Lipids. 9. What kind of polymer has chains that are strongly cross linked in networks and doesn't soften when heated? A) Thermoplastic polymer. B) Cross-linked polymer. C) Network polymer. D) Thermosetting polymer. Show Answer Correct Answer: D) Thermosetting polymer. 10. What is the process called when cellulose is turned into a synthetic fibre similar to silk but cost less to produce? A) Silk Process. B) Synthetic Process. C) Cheap Process. D) Viscose Process. Show Answer Correct Answer: D) Viscose Process. 11. 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 is mainly used for making toys. C) It cannot be welded or bonded with an adhesive. D) It can be either hard or flexible. Show Answer Correct Answer: D) It can be either hard or flexible. 12. What feature makes a molecule an alkene? A) Carbon-carbon single bond. B) Carbon-carbon triple bond. C) Carbon-carbon double bond. D) Carbon-carbon quadruple bond. Show Answer Correct Answer: C) Carbon-carbon double bond. 13. 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 14. Which one of the following is an example of copolymer? A) Buna-S. B) Teflon. C) PVC. D) Polypropylene. Show Answer Correct Answer: A) Buna-S. 15. 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. 16. 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. 17. Which type of bond links the monomers in a carbohydrate? A) Glycosidic bond. B) Peptide bond. C) Phosphodiester bond. D) Ester bond. Show Answer Correct Answer: A) Glycosidic bond. 18. Which one is used as fibre A) Teflon. B) Neoprene. C) Nylon. D) Orlon. Show Answer Correct Answer: C) Nylon. 19. ..... are added mainly to thermosetting resins to accelerate the polymerisation A) Fillers. B) Pigments. C) Catalysts. D) Plasticizers. Show Answer Correct Answer: C) Catalysts. 20. Which process involves the removal of water to form a bond between two monomers? A) Dehydration synthesis. B) Hydrolysis. C) Polymerization. D) Condensation reaction. Show Answer Correct Answer: A) Dehydration synthesis. 21. What is the main characteristic of thermosetting polymers? A) They can be remolded upon heating. B) They are biodegradable. C) They become permanently hard upon heating. D) They are soluble in water. Show Answer Correct Answer: C) They become permanently hard upon heating. 22. 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. 23. 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. 24. The polymer below that uses as a water pipes is A) Polyethene. B) Polystyrene. C) Polyester. D) Polyvinylchloride. Show Answer Correct Answer: D) Polyvinylchloride. 25. The addition of water is called ..... A) Halogenation. B) Hydrogenation. C) Hydration. D) Dehydration. Show Answer Correct Answer: C) Hydration. ← 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 8Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 9Class 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