This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 15 Polymers – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 10 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which polymer is known for its elasticity and is used in making rubber bands? A) Polyethylene. B) Polyvinyl chloride. C) Polyisoprene. D) Polystyrene. Show Answer Correct Answer: C) Polyisoprene. 2. What is the role of cross-linkers in SAP? A) To control the SAP's total absorbency and swelling capacity. B) To make the SAP dissolve in water. C) To color the SAP. D) To reduce the cost of SAP production. Show Answer Correct Answer: A) To control the SAP's total absorbency and swelling capacity. 3. The birefringence effect that occurs when a polymer is viewed between two polarizing filters represents the ..... regions of the polymer. A) Crystalline. B) Amorphous. C) Cross-Linked. D) Branched. Show Answer Correct Answer: A) Crystalline. 4. Define polymer A) Circular molecule made with many repeating units. B) Short molecule made of a few repeating units. C) Long, chain-like molecule made of repeating units. D) Chain-like molecule that contains hydrogen and oxygen. Show Answer Correct Answer: C) Long, chain-like molecule made of repeating units. 5. What small molecules are linked together to form a polymer? A) Hydrogen atoms. B) Protein molecules. C) Monomers. D) Oxygen atoms. Show Answer Correct Answer: C) Monomers. 6. Which of these is an example of synthetic polymer? A) Cotton fibers. B) Rubber. C) Wool. D) Polyvinyl chloride (PVC). Show Answer Correct Answer: D) Polyvinyl chloride (PVC). 7. What's the name of the polymer that makes you, you? A) PVC. B) Nylon. C) DNA. D) DAN. Show Answer Correct Answer: C) DNA. 8. What is the process by which condensation polymers are formed? A) Elimination of a small molecule during polymerization. B) Multiplication of small molecules during polymerization. C) Addition of a small molecule during polymerization. D) Subtraction of a small molecule during polymerization. Show Answer Correct Answer: A) Elimination of a small molecule during polymerization. 9. A synthetic Material is A) An atom. B) From Nature. C) Made from natural resources. D) Element. Show Answer Correct Answer: C) Made from natural resources. 10. What features in alkene molecules allows them to act as monomers? A) The double C=C bond. B) The presence of carbon atoms. C) The presence of hydrogen atoms. D) None of the above. Show Answer Correct Answer: A) The double C=C bond. 11. What was the first completely synthetic polymer invented in the early 20th century? A) Celluloid. B) Bakelite. C) Silent-movie film. D) Shellac. Show Answer Correct Answer: B) Bakelite. 12. It is a natural polymer originating from various insect and spider species. It is composed of two different proteins, sericin and fibroin, among which fibroin is an FDA-approved materials for some medical devices. A) Silk. B) Wool. C) Nylon. D) Cellulose. Show Answer Correct Answer: A) Silk. 13. Small molecules that make up larger molecules. A) Monomer. B) Polymer. C) Synthetic. D) Plastic. Show Answer Correct Answer: A) Monomer. 14. HDPE sinks in Isopropyl alcohol test. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 15. Octane (8 carbons) is cracked into hexane (6 carbons) and an alkene. What is the name of this alkene? A) Ethene. B) Propene. C) Butene. D) Pentene. Show Answer Correct Answer: A) Ethene. 16. Which is not polymer A) DNA. B) Starch. C) Protein. D) Nucleotide. Show Answer Correct Answer: D) Nucleotide. 17. What are polymers made up of? A) Atoms. B) Molecules. C) Compounds. D) Monomers. Show Answer Correct Answer: D) Monomers. 18. True or false:Synthetic polymers occur in nature, and do not need to be produced by humans A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 19. Ziegler Natta catalyst is used in the manufacture of A) Low density polythene. B) High density polythene. C) Dacron. D) Teflon. Show Answer Correct Answer: B) High density polythene. 20. ..... is an example of a synthetic polymer. A) Light-Weight. B) Resistant to Chemicals. C) Thermal & Electrical Insulators. D) All of the above. Show Answer Correct Answer: D) All of the above. 21. Which factor of polymer incineration minimises its environmental impact (limits toxicity of products)? A) Limited air supply. B) Shredding the plastic items. C) Minimal use of catalysts. D) High temperature. Show Answer Correct Answer: D) High temperature. 22. Color of nanoparticles of gold A) Red. B) Blue. C) Green. D) Yellow. Show Answer Correct Answer: A) Red. 23. Oligomer means ..... degree of polymerization A) Low. B) High. C) Medium. D) Both A & B. Show Answer Correct Answer: A) Low. 24. Many synthetic polymers don't degrade naturally, some synthetic polymers were designed so that they are environmental friendly called A) Styrofoam. B) Nylon66. C) Biodegradable polymers. D) Pvc. Show Answer Correct Answer: C) Biodegradable polymers. 25. What is the primary role of water in a hydrolysis reaction? A) Product. B) Reactant. C) Catalyst. D) Inhibitor. Show Answer Correct Answer: B) Reactant. ← 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 9Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books