This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 15 Polymers – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 17 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A polymer is made up of ..... A) Small molecules. B) Landfill. C) Forces. D) Monomers. Show Answer Correct Answer: D) Monomers. 2. The range of temperature at which the polymer changes itself from a glassy rigid state to a soft material is called A) Glass transition temperature. B) Heat distortion temperature. C) Melting point. D) Decomposition temperature. Show Answer Correct Answer: A) Glass transition temperature. 3. Someone who studies the ways in which the atomic and molecular structure of a material relates to its overall properties. A) Chemist. B) Material scientist. C) Biologist. D) Cashier. Show Answer Correct Answer: B) Material scientist. 4. What does a dehydration synthesis reaction do? A) Adds water to break up polymers. B) Adds water to put polymers together. C) Removes water to break up polymers. D) Removes water to put polymers together. Show Answer Correct Answer: D) Removes water to put polymers together. 5. Property which makes ionic solids easy to cleave A) Brittleness. B) Ductility. C) Electrical insulators. D) Malleability. Show Answer Correct Answer: A) Brittleness. 6. The properties of Polymer is determined by A) Monomer. B) Temperature. C) Pressure. D) All of above. Show Answer Correct Answer: D) All of above. 7. Which of these is an economic disadvantage of recycling? A) Cheaper than new plastic. B) Reduces need for crude oil. C) Contamination of the plastics means washing is required. D) Energy needed for processing (sorting, shredding, transporting). Show Answer Correct Answer: D) Energy needed for processing (sorting, shredding, transporting). 8. Which of the following options shows polysaccharides A) Amylose, amylopectin. B) Amylose, amylopectic, teflon. C) Amylose, amylopectin, polyester. D) Amylose, amylopectin, cellulose. Show Answer Correct Answer: D) Amylose, amylopectin, cellulose. 9. Which of these statement about polymers is not correct? A) Polyesters are condensation polymers. B) Alkenes and halogenoalkenes can form addition polymers. C) Addition polymers are always made up of two different types of monomer. D) None of the above. Show Answer Correct Answer: C) Addition polymers are always made up of two different types of monomer. 10. Advantages of Carbon fibre are ..... A) Mass production processes can be used to bring down costs. B) Low skilled workers to create complex shapes. C) Cheap to produce complex shapes. D) Complex shapes can be created that are extremely strong and lightweight. Show Answer Correct Answer: D) Complex shapes can be created that are extremely strong and lightweight. 11. Which is an example of a crosslinked polymer A) Microwaveable food container. B) Milk Container. C) Car Tires. D) None of the above. Show Answer Correct Answer: C) Car Tires. 12. Contributes to the flexibility of the polymer A) Atoms are relatively free to rotate around the C-C backbone. B) Straight chain. C) Rigidity. D) Hexagonal arrangement. Show Answer Correct Answer: A) Atoms are relatively free to rotate around the C-C backbone. 13. These plastics have a permanent shape after curing due to the crosslinks in the polymer structure. A) Thermoplastics. B) Thermoset Plastics. C) Recyclable Plastics. D) None of the above. Show Answer Correct Answer: B) Thermoset Plastics. 14. What does the term biodegradable mean? A) It can be made from plants. B) It can be dissolved into water. C) It will rot away due to the action of living things. D) None of the above. Show Answer Correct Answer: C) It will rot away due to the action of living things. 15. Which of these properties do ceramics possess? A) Light. B) Very fragile. C) Strong hardness. D) Flexible. Show Answer Correct Answer: C) Strong hardness. 16. Which of the following is NOT a property of thermoplastics? A) They can be recycled. B) They can be remolded and reshaped. C) They cannot be melted. D) They are used in making bottles and containers. Show Answer Correct Answer: C) They cannot be melted. 17. What is the classification of polymer based on monomers A) Addition, condensation. B) Homomer, co-polymer. C) Thermosetting, thermoplastic. D) Elastomers, fibres. Show Answer Correct Answer: B) Homomer, co-polymer. 18. Which one is polyamide A) Teflon. B) Nylon 66. C) Terylene. D) Bakelite. Show Answer Correct Answer: B) Nylon 66. 19. What plastic is commonly used in 3D printing and made plant starch, like corn and sugarcane? A) Polypropylene. B) ABS. C) TPU. D) PLA. Show Answer Correct Answer: D) PLA. 20. Of what range Elastomers can stretch and return to their original lengths without any trouble? A) 80%-100%. B) 500%-1000%. C) 50%-100%. D) 800%-1000%. Show Answer Correct Answer: B) 500%-1000%. 21. Which one of this is Not True about Compression Molding? A) A widely used molding process for thermosetting plastics. B) Used for rubber tires and polymer matrix composite parts. C) Molding compound available in several forms:powders or pellets, liquid, or preform. D) Amount of charge must be precisely controlled to obtain repeatable consistency in the molded product. E) None of the above. Show Answer Correct Answer: E) None of the above. 22. What do we call the small molecules that make up polymers A) Homopolymers. B) Monomers. C) Ions. D) Electrons. Show Answer Correct Answer: B) Monomers. 23. What is a modern challenge in polymer innovation? A) Developing materials that harm the environment. B) Creating polymers that are non-functional. C) Balancing human needs with environmental sustainability. D) Increasing the cost of production. Show Answer Correct Answer: C) Balancing human needs with environmental sustainability. 24. Polymers are derived from what raw materials? A) Natural gas. B) Wood pulp. C) Crude oil. D) Metallic oxides. Show Answer Correct Answer: C) Crude oil. 25. Why cannot heavy structure be made by polymer? A) The structural rigidity is very less. B) The structural rigidity is very strong. C) The structural rigidity is common. D) All are wrong. Show Answer Correct Answer: A) The structural rigidity is very less. ← 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