This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 15 Polymers – Quiz 34 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 34 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following monomers are unsuitable for condensation polymerization? A) Propanoic acid and ethanol. B) Butane-dioic acid and glycol. C) Diamines and dicarboxylic acids. D) Hydroxy acids. Show Answer Correct Answer: A) Propanoic acid and ethanol. 2. A thermoplastic polymer will be ..... below its glass transition temperature. A) Soft and flexible. B) Rigid and brittle. C) Translucent. D) Rubbery. Show Answer Correct Answer: B) Rigid and brittle. 3. Which of the following types of chains would be found in a thermo plastic? A) Cross linked chain. B) Branched chain. C) Laminated chain. D) Continuous chain. Show Answer Correct Answer: B) Branched chain. 4. Which type of chain would be found in a thermosetting plastic? A) Branched chain. B) Continuous chain. C) Cross linked chain. D) Linear chain. Show Answer Correct Answer: C) Cross linked chain. 5. What does 'brittle' mean? A) Soft. B) Easily breakable. C) Easily bendable. D) Tough. Show Answer Correct Answer: B) Easily breakable. 6. A ..... is a large molecule made by combining many smaller molecules A) Polymer. B) Monomer. C) Megamer. D) Hydromer. Show Answer Correct Answer: A) Polymer. 7. A single unit that can bond to other single units to form a polymer is a: A) Lego. B) Monounits. C) Monopoly. D) Monomer. Show Answer Correct Answer: D) Monomer. 8. The name of the MgCO$_{3}$$_{ }$compound is ..... A) Magnesium carbonate. B) Magnesium oxalate. C) Magnesium chromate. D) Magnesium carbon oxide. Show Answer Correct Answer: A) Magnesium carbonate. 9. A problem with modern composites is that they A) Can be lightweight. B) Are expensive. C) Can be molded into shapes. D) None of the above. Show Answer Correct Answer: B) Are expensive. 10. What is the relationship between MONOMERS and POLYMERS? A) Polymers are bent, monomers are straight. B) Polymers are made of polymers. C) Polymers are made of monomers. D) Monomers are made of triglycerides. Show Answer Correct Answer: C) Polymers are made of monomers. 11. An elastomeris a polymer that A) Has occasional crosslinks between neighboring chains. B) Has many covalent bonds between neighboring chains. C) Has no bonds at all between neighboring chains. D) Has only weak entanglement between neighboring chains. Show Answer Correct Answer: A) Has occasional crosslinks between neighboring chains. 12. Monomer formed by the hydrolysis of polypeptides A) Monosaccharide. B) Fatty acid. C) Amino acid. D) Nucleotide. Show Answer Correct Answer: C) Amino acid. 13. Polymer classification based on structure are ..... EXCEPT A) Network. B) Linear. C) Synthetic. D) Branched. Show Answer Correct Answer: C) Synthetic. 14. ..... is a binder or polymer material which holds the different constituents together. A) Plasticizer. B) Resin. C) Pigments. D) Fillers. Show Answer Correct Answer: B) Resin. 15. Polymers are made of repeating units called A) Unimers. B) Alcohols. C) Carboxylic acids. D) Monomers. Show Answer Correct Answer: D) Monomers. 16. Commercial name of PAN is A) Dacron. B) Orlon. C) PVC. D) Bakelite. Show Answer Correct Answer: B) Orlon. 17. What is the definition of a composite? A) Composites are when you weld two or more metals together to form a new type of metal. B) Composites are a combination of two or more materials that are bonded together to improve their mechanical or physical properties. C) Composites are when you take 2 or more metals and fuse them through melting. D) Composites are when you take 2 or more matrix and mix them to create a new material. Show Answer Correct Answer: B) Composites are a combination of two or more materials that are bonded together to improve their mechanical or physical properties. 18. "Compliant" in polymeric science means "ductile" . What other synonym means the same as "compliant" (in any context)? A) Defiant. B) Solid. C) Obedient. D) Inflexible. Show Answer Correct Answer: C) Obedient. 19. Bakelite is obtained from phenol by reaction with $_{ }$ A) A. HCHO. B) B. CH$_{4 }$. C) $_{ }$c.CH$_{3}$CHO. D) D. H$_{2}$. Show Answer Correct Answer: A) A. HCHO. 20. Polymer used in the manufacture of non breakable crockry A) Dacron. B) Orlon. C) Melamine formaldehyde resin. D) Phenol formaldehyde resin. Show Answer Correct Answer: C) Melamine formaldehyde resin. 21. A type of fiber found in plant cell walls. It's formed by chains of glucose molecules. A) Plasticizer. B) Nylon. C) Cellulose. D) Glucose. Show Answer Correct Answer: C) Cellulose. 22. The polymer used in orthopedic devices and in controlled drug release is A) Orlon. B) PTFE. C) LDPE. D) PHBV. Show Answer Correct Answer: D) PHBV. 23. What is the shape of the specimen cut for performing the experiment? A) Square. B) Circle. C) V-shaped. D) Rectangle. Show Answer Correct Answer: D) Rectangle. 24. Which polymer is used in the production of non-stick cookware coatings? A) Polyethylene. B) Polytetrafluoroethylene (PTFE). C) Polypropylene. D) Polyvinyl chloride. Show Answer Correct Answer: B) Polytetrafluoroethylene (PTFE). 25. A hobbyist is looking to build a lightweight model airplane. Which of the following plastics would be the ideal choice for this project? A) Polyethylene. B) Styrofoam. C) Polyester resins. D) Melamine Formaldehyde. Show Answer Correct Answer: B) Styrofoam. ← 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