This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 15 Polymers – Quiz 16 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 16 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A hydrolysis reaction A) Forms polymers. B) Breaks down polymers into monomers. C) All the above. D) None of the above. Show Answer Correct Answer: B) Breaks down polymers into monomers. 2. Terylene is also called A) Teflon. B) Dacron. C) Nylon. D) None of these. Show Answer Correct Answer: B) Dacron. 3. Starch is composed of what monomers? A) Amino acids. B) Glucose. C) Nucleic acids. D) None of the above. Show Answer Correct Answer: B) Glucose. 4. Thermosetting Plastics A) Can be reshaped using heat and pressure. B) Are lighter plastics. C) Can be recycled. D) Can not be reshaped using heat and pressure. Show Answer Correct Answer: D) Can not be reshaped using heat and pressure. 5. Under the right conditions, what can happen to the double bond in an alkene? A) It can break into a single bond. B) It can form a triple bond. C) It can form a quadruple bond. D) It can form a coordinate bond. Show Answer Correct Answer: A) It can break into a single bond. 6. Proteins are composed of what smaller subunits? A) Amino acids. B) Nucleic acids. C) Fatty acids. D) None of the above. Show Answer Correct Answer: A) Amino acids. 7. Saturated hydrocarbons have ..... bonds.Unsaturated. hydrocarbons have ..... bonds. A) Double, single. B) Single, double. C) All the above. D) None of the above. Show Answer Correct Answer: B) Single, double. 8. The characteristics of condensation polymerization are given below-I. only-C-C-linkages present in the polymer structureII. use of bifunctional or polyfunctional monomersIII. elimination of a small byproduct moleculeWhich of the following is true? A) I, II, III. B) II and III. C) I and II. D) Only III. Show Answer Correct Answer: B) II and III. 9. Which one is condensation polymer A) PVC. B) PAN. C) Polystyrene. D) Dacron. Show Answer Correct Answer: D) Dacron. 10. Which of the following polymers is known for its high tensile strength? A) Polyvinyl chloride (PVC). B) Polyethylene. C) Nylon. D) Polystyrene. Show Answer Correct Answer: C) Nylon. 11. The vulcanised rubber has A) Low water absorption, resistance to oxidation and good elasticity. B) High water absorption, resistant to oxidation and good elasticity. C) High water absorption, susceptible to oxidation and no elasticity. D) High water absorption, susceptible to oxidation and good elasticity. Show Answer Correct Answer: A) Low water absorption, resistance to oxidation and good elasticity. 12. What is a characteristic of condensation polymerization? A) Small molecules like water are eliminated. B) It requires high temperatures. C) It only occurs in natural polymers. D) No byproducts are formed. Show Answer Correct Answer: A) Small molecules like water are eliminated. 13. Which group of organic molecules speed up chemical reactions and serve as immune defense mechanisms? A) Proteins. B) Carbohydrates. C) Nucleic acids. D) Lipids. Show Answer Correct Answer: A) Proteins. 14. Current research deals with application of ..... to study of ESC phenomena A) Rupture mechanism. B) Creep failure. C) Fracture mechanism. D) None of the above. Show Answer Correct Answer: C) Fracture mechanism. 15. What is the name of the process in which a molecule called a free radical is introduced to create polymer chains? A) Polymer bonding. B) Chain reaction. C) Cross linking. D) Radical polymerisation. Show Answer Correct Answer: D) Radical polymerisation. 16. Type of reaction that breaks polymers to form monomers A) Hydrolysis. B) Condensation. C) Monomer. D) Polymer. Show Answer Correct Answer: A) Hydrolysis. 17. What type of a bond keeps polymer chains together? A) James Bond. B) Polar bond. C) Ionic bond. D) Covalent bond. Show Answer Correct Answer: D) Covalent bond. 18. Which monomer makes up proteins? A) Fatty acids and glycerol. B) Monosaccharides. C) Nucleotides. D) Amino acids. Show Answer Correct Answer: D) Amino acids. 19. Rigid and tough Polymer A) Linear. B) Branched. C) Cross-Linked. D) Thermoset. Show Answer Correct Answer: A) Linear. 20. Which of the following requires the dehydration reaction of two amino acids? A) Carboxyl group of first amino acid binds with carboxyl group of second amino acid. B) Carboxyl group of first amino acid binds with amino group of second amino acid. C) R group of first amino acid binds with R group of second amino acid. D) Amino group of first amino acid binds with amino group of second amino acid. Show Answer Correct Answer: B) Carboxyl group of first amino acid binds with amino group of second amino acid. 21. A compound made from one of more long chains of amino acids. They are an essential part of living organisms. A) Atoms. B) Cells. C) Amino acids. D) Protein. Show Answer Correct Answer: D) Protein. 22. Select the thermoforming polymer. A) Polypropylene. B) Epoxy Resin. C) Polyester Resin. D) Urea Formaldehyde. Show Answer Correct Answer: A) Polypropylene. 23. The bonding present in polyethylene is A) Covalent in the polymer chain, and covalent in the crosslinks between chains. B) Due to the dipoles present in the monomers. C) Covalent in the polymer chain, with entanglement between neighboring chains. D) Covalent throughout because a polymer is a covalent network lattice. Show Answer Correct Answer: C) Covalent in the polymer chain, with entanglement between neighboring chains. 24. Identify the copolymer A) Polythene. B) Nylon 6. C) Teflon. D) Nylon 66. Show Answer Correct Answer: D) Nylon 66. 25. A type of synthetic rubber that is a polymer of chloroprene(2-chloro-1, 3-butadiene). A) Pvc. B) Latex. C) Neoprene. D) Styrofoam. Show Answer Correct Answer: C) Neoprene. ← 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 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books