This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 3 Synthetic Fibres And Plastics – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 2 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which property of plastics makes them poor conductors of heat and electricity? A) Non-reactive. B) Lightweight. C) Durable. D) Insulating. Show Answer Correct Answer: D) Insulating. 2. Teflon can resist flame, water, and oil, It is a ..... A) Thermosetting plastic. B) Thermoplastic. C) All the above. D) None of the above. Show Answer Correct Answer: B) Thermoplastic. 3. Which kind of clothes dry faster in therainy season? A) Cotton. B) Wool. C) Polyester. D) Jute. Show Answer Correct Answer: C) Polyester. 4. Polythene which is used to make polythene bags is an example of a ..... A) Thermoplastics. B) Thermosetting plastics. C) All the above. D) None of the above. Show Answer Correct Answer: A) Thermoplastics. 5. The most suitable material for the preparation of handles of cooking utensils is ..... A) Polythene. B) PVC. C) Nylon. D) Bakelite. Show Answer Correct Answer: D) Bakelite. 6. PET is a form of A) Steel. B) Glass. C) Polyester. D) Nylon. Show Answer Correct Answer: C) Polyester. 7. Which of the following is a natural fiber? A) Wool. B) Polyester. C) Spandex. D) Acrylic. Show Answer Correct Answer: A) Wool. 8. Raw materials for preparation of synthetic fibres are obtained from A) Coal. B) Petroleum. C) Natural gas. D) All of these. Show Answer Correct Answer: D) All of these. 9. Synthetic fibres are A) Durable. B) Wrinkle free. C) Economical. D) All of these. Show Answer Correct Answer: D) All of these. 10. Which of the following can not be deformed on heating and thus cannot be remoulded again? A) Polythene. B) Polystrene. C) Terylene. D) Melamine. Show Answer Correct Answer: D) Melamine. 11. Which of the following plastic is used for making water pipes? A) Melamine. B) Polyester. C) PVC. D) Bakelite. Show Answer Correct Answer: C) PVC. 12. Melamine is A) Thermoplastic polymer. B) Thermosetting polymer. C) Fibre. D) Elastomer. Show Answer Correct Answer: B) Thermosetting polymer. 13. Which of the following is not manufactured from high-density polythene? A) Containers. B) Pipes. C) Candles. D) Toys. Show Answer Correct Answer: A) Containers. 14. The basic component of plant fibre is A) Protein. B) Cellulose. C) Starch. D) None of these. Show Answer Correct Answer: C) Starch. 15. Which of the following can be soften on heating A) Thermoplastic. B) Thermosetting plastics. C) Polymers. D) All of these. Show Answer Correct Answer: A) Thermoplastic. 16. The smallest unit in making synthetic fibres is A) Cell. B) Molecule. C) Polymer. D) None of these. Show Answer Correct Answer: D) None of these. 17. Bakelite and Melamine are examples of A) Silk. B) Thermosetting Plastics. C) All the above. D) None of the above. Show Answer Correct Answer: B) Thermosetting Plastics. 18. Polycot is A) A natural fibre. B) A blended fibre. C) A synthetic fibre. D) Not a fibre. Show Answer Correct Answer: B) A blended fibre. 19. Which one of the following is a thermosetting plastic? A) Acrylic. B) Polylactide. C) Melamine. D) PET. Show Answer Correct Answer: C) Melamine. 20. Synthetic fibres are made using ..... as raw materials. A) Woolen products. B) Polymers. C) Cotton. D) Petrochemicals. Show Answer Correct Answer: D) Petrochemicals. 21. Polywool is a mixture of polyester and A) Cotton. B) Silk. C) Wool. D) Rayon. Show Answer Correct Answer: C) Wool. 22. Which of the following is an example of aheavily cross linked polymer? A) Melamine. B) Polythene. C) Nylon. D) Polyester. Show Answer Correct Answer: A) Melamine. 23. Where did Wallace Carothers and his team first produced Nylon? A) Sydney. B) DuPont. C) NYC. D) Port flower. Show Answer Correct Answer: B) DuPont. 24. A fibre which is as soft as wool is A) Rayon. B) Nylon. C) Polyester. D) Acrylic. Show Answer Correct Answer: D) Acrylic. 25. Which fibre is used to make swimming dresses? A) Rayon. B) Silk. C) Acrylic. D) Nylon. Show Answer Correct Answer: D) Nylon. ← PreviousNext →Related QuizzesClass 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 1Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 3Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 4Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 5Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 6Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 7Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 8Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 9Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 10Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books