This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 15 Polymers – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 5 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Deformation behavior of a thermoplastic plastic above glass transition temperature A) Viscous fluid. B) Brittle. C) Leathery and then rubbery. D) Glassy. Show Answer Correct Answer: C) Leathery and then rubbery. 2. An example of a natural polymer is: A) A protein. B) PVC (polyvinyl chloride). C) Polyethylene. D) PET. Show Answer Correct Answer: A) A protein. 3. Which material would you use for electric fittings? A) Acrylic. B) HIPS. C) Biopol. D) Urea Formaldehyde. E) Polyester resin. Show Answer Correct Answer: D) Urea Formaldehyde. 4. A single unit or molecule A) Polymer. B) Dimer. C) Monomer. D) Macromolecule. Show Answer Correct Answer: C) Monomer. 5. Tavon is conducting an experiment on addition polymerization in his chemistry lab. He wonders what happens to the double bonds of the monomers during the process. A) They remain unchanged in the polymer. B) They are converted into single bonds, forming a polymer chain. C) They are eliminated as small molecules. D) They form cross-links between polymer chains. Show Answer Correct Answer: B) They are converted into single bonds, forming a polymer chain. 6. The material that is difficult to recycle is A) Polystyrene. B) Polyethelene terephthalate. C) Polyvinyl chloride. D) Low-density polyethylene. Show Answer Correct Answer: A) Polystyrene. 7. Which aspect of polymers'advantage is not mentioned in our slides? A) Aerospace & Defense. B) Medical & Life sciences. C) Power & Energy. D) Machined Parts. Show Answer Correct Answer: D) Machined Parts. 8. Putty, is one of the polymers that can be stretched like elastics and also will come back to their original shape A) Monomers. B) Elastomers. C) Thermoplastic polymers. D) Thermo setting polymers. Show Answer Correct Answer: B) Elastomers. 9. Which one is NOT the types of thermoplastics? A) Polystyrene. B) Nylon. C) Phenolics. D) Polyvinylchloride. E) Polyethylene. Show Answer Correct Answer: C) Phenolics. 10. Addition polymers are A) Biodegradable and easy to recycle. B) Non biodegradable and very hard to recycle. C) Biodegradable and hard to recycle. D) Non biodegradable and easy to recycle. Show Answer Correct Answer: B) Non biodegradable and very hard to recycle. 11. Which polymer makes up carbohydrates? A) Polysaccharides. B) Triglyceride. C) DNA. D) Enzymes. Show Answer Correct Answer: A) Polysaccharides. 12. Thermosetting Polymers A) Contains no cross-links. B) Contains many cross-links. C) Contains a few cross-links. D) None of the above. Show Answer Correct Answer: B) Contains many cross-links. 13. Nylon 6 can be used suitably for? A) Making hoses. B) Making plastic bags. C) Making automotive textiles. D) Making vinyl records. Show Answer Correct Answer: C) Making automotive textiles. 14. What is the monomer of poly(propene)? A) Poly. B) Ethene. C) Propene. D) Propane. Show Answer Correct Answer: C) Propene. 15. The process of heat softening, moulding and cooling to rigidness can be repeated for which plastics? A) Thermoplastics. B) Thermosetting plastics. C) Both (a) and (b). D) Neither (a) nor (b). Show Answer Correct Answer: A) Thermoplastics. 16. What is the smallest protein found in nature? A) Collagen. B) TRP Cage. C) Hemoglobin. D) Insulin. Show Answer Correct Answer: B) TRP Cage. 17. What is the name of the polymer made from chemically modified cellulose and used to make silent-movie film? A) Polyethylene. B) Celluloid. C) Polypropylene. D) Bakelite. Show Answer Correct Answer: B) Celluloid. 18. Which of the following determine the properties of a polymer? A) Chemical nature of the monomer. B) Length of the polymer chain. C) How the monomers are joined together. D) All of the above. Show Answer Correct Answer: D) All of the above. 19. Smaller molecules that combine to form polymers is called A) Monomer. B) Polymer. C) Transformer. D) None of the above. Show Answer Correct Answer: A) Monomer. 20. Which is NOT a reason polymers are so popular? A) Easy to synthesize. B) Variety of uses. C) Ingredients are expensive. D) Wide range of properites. Show Answer Correct Answer: C) Ingredients are expensive. 21. Which one is NOT TRUE about types of Additives by Functions? A) Plasticizers-to soften polymer and improve the flow. B) Lubricants-to reduce friction and improve the flow. C) Cross-linking agents-to reduce degradation from sunlight. D) Fillers-to strengthen polymer or reduce cost. E) Colorants-pigments or dyes. Show Answer Correct Answer: C) Cross-linking agents-to reduce degradation from sunlight. 22. The viscosity of ..... fluids change when a force is applied to them. A) Newtonian. B) Non-Newtonian. C) All the above. D) None of the above. Show Answer Correct Answer: B) Non-Newtonian. 23. What should be done to natural rubber to produce tyres that are harder and more heat resistant? A) Heat with sulphur. B) Add iron wire. C) Add ammonia solution. D) Add ethanoic acid. Show Answer Correct Answer: A) Heat with sulphur. 24. Some polymers can be made from natural materials? True or False? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 25. What were water-absorbing materials made from before the 1920s? A) Rubber. B) Plastic. C) Fiber-based products. D) Silica gel. Show Answer Correct Answer: C) Fiber-based products. ← 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 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 10Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books