This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 3 Synthetic Fibres And Plastics – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 11 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following has ester linkages? A) Nylon. B) Bakelite. C) Terylene. D) PVC. Show Answer Correct Answer: C) Terylene. 2. In which country was rayon first time synthesised? A) London. B) England. C) Asia. D) USA. Show Answer Correct Answer: B) England. 3. What is the other name for artificial silk? A) Polymer. B) Nylon. C) Rayon. D) Acrylic. Show Answer Correct Answer: C) Rayon. 4. Iron rusts when it is exposed to ..... and ..... A) Air, Water. B) Air, Fire. C) Oxygen, Fire. D) Fire, Water. Show Answer Correct Answer: A) Air, Water. 5. Which Is A Thermosetting Plastic? A) Melamine. B) Polythene. C) PVC. D) Nylon. Show Answer Correct Answer: A) Melamine. 6. Which of the following is used to make conveyor belts? A) Rayon. B) Acrylon. C) PET. D) Terylene. Show Answer Correct Answer: D) Terylene. 7. Cellulose extracted from agricultural products is treated with ..... and ..... in the process of making rayon. A) Caustic soda and carbon disulphide. B) Formaldehyde and amino acids. C) All the above. D) None of the above. Show Answer Correct Answer: A) Caustic soda and carbon disulphide. 8. ..... is polyester used for making bottles, utensils, films. A) Leather. B) Nylon. C) PET. D) Plastic. Show Answer Correct Answer: C) PET. 9. Low density Polythene is used to make ..... A) Flexible pipes. B) Dustbins. C) Bags. D) Containers. Show Answer Correct Answer: A) Flexible pipes. 10. PET is a type of A) Nylon. B) Rayon. C) Acrylic. D) Polyester. Show Answer Correct Answer: D) Polyester. 11. Property of Polyster A) Wrinkly. B) Lustrous. C) Crisp. D) All of these. Show Answer Correct Answer: C) Crisp. 12. If a synthetic fibre and a natural fibres of same size are soaked in two different mugs having same amount of water for 20 minuets and taken out. which of the following is true regarding the volume of the water leftover in the mugs? A) Volume in both mugs will be same. B) Mug in which synthetic fibre was soaked has more volume of water leftover. C) Mug in which natural fibre was soaked has more volume of water leftover. D) Nothing can be said. Show Answer Correct Answer: B) Mug in which synthetic fibre was soaked has more volume of water leftover. 13. Polyester synthesis takes place in ..... (Atmospheric conditions) A) Vacuum. B) Low pressure. C) Very low pressure. D) High pressure. E) Very high pressure. Show Answer Correct Answer: A) Vacuum. 14. ..... , ..... and ..... are 3 main variants of acrylion. A) Acrylonitrile, vinyl acetate and methyl acrylate. B) Acrilovinyl chloride, vinylidene chloride or vinyl bromide $III$. C) Acrylodimethylformamide, vinylidene chloride and methyl acrylate. D) None of the above. Show Answer Correct Answer: A) Acrylonitrile, vinyl acetate and methyl acrylate. 15. What is the main source of plastics? A) Crude oil. B) Polyester. C) Thermoplastics. D) Plastosources. Show Answer Correct Answer: A) Crude oil. 16. What are the advantages of synthetic? A) Cheaper, stronger. B) Not renewable. C) All the above. D) None of the above. Show Answer Correct Answer: A) Cheaper, stronger. 17. In which country was rayon first time synthesized? A) Portugal. B) England. C) Sweden. D) Chile. Show Answer Correct Answer: B) England. 18. Expand PP of one of the plastic A) Polypropylene. B) Polypropene. C) Polypropyne. D) Polyvinyl chloride. Show Answer Correct Answer: A) Polypropylene. 19. Plastics are generally made from A) Coal. B) Petroleum. C) Plant products. D) Kerosene. Show Answer Correct Answer: B) Petroleum. 20. Which of the following properties of nylonmake it most convenient to use? A) It is soft, strong and heavy. B) It is strong, elastic and light. C) It is hard, inexpensive and strong. D) None of the above. Show Answer Correct Answer: B) It is strong, elastic and light. 21. When was Nylon made A) 1931. B) 1941. C) 1951. D) 2021. Show Answer Correct Answer: A) 1931. 22. Which of the following is an example of thermosetting plastics? A) Nylon. B) PVC. C) Polythene. D) Bakelite. Show Answer Correct Answer: D) Bakelite. 23. Which of the following is correct about Polymerization? A) Process of joining Polymers to form Monomer. B) Process of Joining Monomers to form Polymer. C) Process of making Synthetic fibres from petrochemicals. D) None of these. Show Answer Correct Answer: B) Process of Joining Monomers to form Polymer. 24. It is known that Polyester melts n heating and cotton burns without melting.Which of the following is true? A) Polyester and cotton are synthetic fibre. B) Polyester is artificial and cotton is synthetic fibre. C) Polyester is synthetic and cotton is artificial fibre. D) Polyester is synthetic and cotton is natural fibre. Show Answer Correct Answer: D) Polyester is synthetic and cotton is natural fibre. 25. How much can a Lycra cloth stretch? A) 800%. B) 700%. C) 600%. D) 500%. Show Answer Correct Answer: D) 500%. ← PreviousNext →Related QuizzesClass 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 1Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 2Class 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 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books