This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 15 Polymers – Quiz 24 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 24 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Addition polymerisation must have ..... A) Single bond. B) Double bond. C) Chlorine. D) Oxygen. Show Answer Correct Answer: B) Double bond. 2. The term polymerisation refers to A) The forming of atoms into the monomer. B) The length of the polymer chain. C) The type of plastic. D) The forming of the polymer chain. Show Answer Correct Answer: D) The forming of the polymer chain. 3. What is the specific gravity of pollyallomer? A) 0.89. B) 0.90. C) 0.88. D) 0.87. Show Answer Correct Answer: A) 0.89. 4. Is cotton a polymer? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 5. How can chemists create polymers with different properties? A) By altering the pressure. B) By substituting atoms or functional groups on a monomer. C) By using different catalysts. D) By changing the temperature. Show Answer Correct Answer: B) By substituting atoms or functional groups on a monomer. 6. Amino acids react to produce proteins by: A) Addition polymerisation. B) Condensation polymerisation. C) All the above. D) None of the above. Show Answer Correct Answer: B) Condensation polymerisation. 7. Ionic solids can be packed closely like metals. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 8. Amorphous polymers are more prone to ESC at(Tg is glass transition temperature) A) Tg. B) Higher than Tg. C) Lower than Tg. D) Nowhere near to Tg. Show Answer Correct Answer: B) Higher than Tg. 9. ..... are added to protect the plastics against oxidative degradation so as to preserve its quality. A) Fillers. B) Pigments. C) Anti-oxidants. D) Plasticizers. Show Answer Correct Answer: C) Anti-oxidants. 10. Which one is NOT TRUE about the Mechanical Properties of Thermoplastics? A) High modulus of elasticity and tensile strength. B) Low tensile strength. C) Much lower hardness than metals or ceramics. D) Greater ductility on average. E) Low modulus of elasticity. Show Answer Correct Answer: A) High modulus of elasticity and tensile strength. 11. Which type of polymer is flexible and tough? A) Linear. B) Branched. C) Cross-Linked. D) None of the above. Show Answer Correct Answer: B) Branched. 12. Proteins, carbohydrates, DNA, and starch are examples of A) Natural polymers. B) Synthetic polymers. C) Semi-synthetic polymers. D) None of the above. Show Answer Correct Answer: A) Natural polymers. 13. Amino acids react to form peptides and proteins, this process is known as A) Addition polymerization. B) Substitution polymerization. C) Condensation polymerization. D) Hydration polymerization. Show Answer Correct Answer: C) Condensation polymerization. 14. What is the main use of superabsorbent polymers? A) In water filtration systems. B) In construction. C) In personal disposable hygiene products. D) In agriculture. Show Answer Correct Answer: C) In personal disposable hygiene products. 15. Explain the primary structure of a protein polymer. A) Chain of glucose molecules linked by glycosidic bonds. B) Double helix structure of nucleotides. C) Sequence of fatty acids linked by ester bonds. D) Sequence of amino acids linked by peptide bonds. Show Answer Correct Answer: D) Sequence of amino acids linked by peptide bonds. 16. Some polymers are not safe for food and drink? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 17. A substance that is used to cut friction between surfaces that are in contact with one another. A) Acid. B) Water. C) Blood. D) Lubricant. Show Answer Correct Answer: D) Lubricant. 18. What are the benefits of hydrogenation? A) Increases the melting point. B) Makes fats healthier. C) Adds more hydrogren. D) Decreases the melting point. Show Answer Correct Answer: A) Increases the melting point. 19. What type of polymer can be repeatedly melted and reshaped? A) Thermosetting polymer. B) Thermoplastic polymer. C) Elastomer. D) Biopolymer. Show Answer Correct Answer: B) Thermoplastic polymer. 20. The molecule pictured is a nucleic acid, which is a polymer. The monomers that make up this nucleic acid are called A) Monosaccharides. B) Nucleotides. C) Amino Acids. D) Fatty acids. Show Answer Correct Answer: B) Nucleotides. 21. Select the option that is a stress strain behavior? A) Abrasion resitance. B) Tensile strength. C) Puncture resistance. D) All of options listed. Show Answer Correct Answer: D) All of options listed. 22. What would the polymer formed from ethene monomers be called? A) Polyethene. B) Poly(ethene). C) Poly(propene). D) Polyene. Show Answer Correct Answer: B) Poly(ethene). 23. Examine the statements below, select which is not an advantage of plastics A) Biodegradability. B) Thermoplastics. C) A range of useful materials used in daily life. D) None of the above. Show Answer Correct Answer: A) Biodegradability. 24. Hardest known material A) Diamond. B) Graphite. C) Ruby. D) Gold. Show Answer Correct Answer: A) Diamond. 25. What is the process used to separate crude oil to get Naptha oil to make Polymers A) Polymerisation. B) Fracking. C) Fractional Distillation. D) Polymer chain. Show Answer Correct Answer: C) Fractional Distillation. ← 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