This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 15 Polymers – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 21 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Thermosets can be described as: A) Polymers formed by addition reactions. B) Plastics that cannot be moulded once they are set with temperature and pressure. C) Plastics that can be remoulded everytime with temperature. D) Plastics formed with the monomer hexanedioic acid. Show Answer Correct Answer: B) Plastics that cannot be moulded once they are set with temperature and pressure. 2. Which material below is not a polymer? A) Tire. B) Silicon. C) Paper. D) Elastic band. Show Answer Correct Answer: B) Silicon. 3. Which of these statements is true of a polymer? A) The subunit is always an atom. B) The subunit is always a molecule. C) Polymers cannot extend forever. D) The subunit can be a molecule or an atom. Show Answer Correct Answer: B) The subunit is always a molecule. 4. Which of the following is a chain growth polymer? A) Nucleic acid. B) Polystyrene. C) Protein. D) Starch. Show Answer Correct Answer: B) Polystyrene. 5. Petroleum based product A) Plastic. B) Synthetic. C) Inorganic. D) Organic. Show Answer Correct Answer: A) Plastic. 6. It cannot be re-melted. Once re-heated they will burn. A) Thermoplastic. B) Thermoset. C) Linear. D) Branched. Show Answer Correct Answer: B) Thermoset. 7. What is the structural feature of linear polymers? A) They have branched chains. B) They have cross-linked chains. C) They have straight chains. D) They form a network structure. Show Answer Correct Answer: C) They have straight chains. 8. The word "monomer" means: A) Monitor lizard. B) One part. C) Monotonous. D) Made in nature. Show Answer Correct Answer: B) One part. 9. The monomer of polystyrene is A) C2H-CH=CH2. B) CH2=CHCl. C) C6H5CH=CH2. D) CH2=CH-CHO. Show Answer Correct Answer: C) C6H5CH=CH2. 10. True or False:Proteins are a type of synthetic polymer. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 11. The cells use a process called ..... to get energy from ATP. A) Dehydration synthesis. B) Condensation reaction. C) Hydrolysis. D) Polymer. Show Answer Correct Answer: C) Hydrolysis. 12. Glucose is a ..... , cellulose is a ..... A) Monomer, starch. B) Starch, cellulose. C) Polymer, monomer. D) Monomer, polymer. Show Answer Correct Answer: D) Monomer, polymer. 13. What's the correct definition of these keywords?addition polymerisation A) A type of polymerisation where monomer molecules add together to form a peptide bond. B) A type of polymerisation in which unsaturated monomers (e.g. alkenes) undergo addition reactions with themselves to form polymers. C) A type of polymerisation in which two molecules react with the elimination of a molecule of water. D) None of the above. Show Answer Correct Answer: B) A type of polymerisation in which unsaturated monomers (e.g. alkenes) undergo addition reactions with themselves to form polymers. 14. What are the two types of plastic? A) Heatsetting and Heatforming. B) Thermosetting and Thermoforming. C) Hydrosetting and Hydroforming. D) Thermostopping and Thermomoving. Show Answer Correct Answer: B) Thermosetting and Thermoforming. 15. Monomers of BUNA-N are A) Phenol and Formaldehyde. B) Butadiene and Styrene. C) Butadiene and Acrylonitrile. D) Hexamethylene diamine and Adipic acid. Show Answer Correct Answer: C) Butadiene and Acrylonitrile. 16. In the formation of a polymer, which type of reaction is primarily involved? A) Dehydration synthesis. B) Hydrolysis. C) Oxidation. D) Reduction. Show Answer Correct Answer: A) Dehydration synthesis. 17. Soft, flexible and tough Polymer A) Linear. B) Branched. C) Cross-Linked. D) Thermoset. Show Answer Correct Answer: B) Branched. 18. What was a key driver for historical polymer innovation in the 19th century? A) Rarity and expense of elephant ivory. B) Abundance of natural resources. C) Discovery of new metals. D) Advancements in digital technology. Show Answer Correct Answer: A) Rarity and expense of elephant ivory. 19. Polymers are water proof? A) Yes-mostly. B) No-of course not!. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes-mostly. 20. Vulcanisation of rubber is done by adding ..... A) Oxygen. B) Sulphur. C) Silicate. D) Sulphate. Show Answer Correct Answer: B) Sulphur. 21. True or False. Parison is the raw material used in blow molding. A) True. B) False. C) Sometimes. D) I don't Know. Show Answer Correct Answer: A) True. 22. ..... technique is exclusively used to produce polymers from water insoluble monomer. A) Bulk polymerization. B) Solution polymerization. C) Suspension polymerization. D) Emulsion polymerization. Show Answer Correct Answer: C) Suspension polymerization. 23. The extension of controlled imperfection shall be constructed as a failure of the specimen. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 24. Caprolactum is used for preparation of A) Nylon-6. B) Nylon-6, 6. C) Nylon 6, 10. D) Nylon-2-Nylon-6. Show Answer Correct Answer: A) Nylon-6. 25. Polymers A) Thermoplastic polymers can be reshaped by heating. B) Thermosetting polymers can be reshaped by heating. C) Both thermoplastic and thermosetting polymers can be reshaped by heating. D) Neither thermoplastic nor thermosetting polymers can be reshaped by heating. Show Answer Correct Answer: A) Thermoplastic polymers can be reshaped by heating. ← 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