Synthetic Fibres and Plastics
Q.1. What are fibres? What is made from fibres?
Q.2. What are natural fibres?
Q.3. What are synthetic fibres?
Q.4. What is a polymer?
Q.5. What is called a cellulosic polymer?
Q.6. Which country probably discovered silk?
Q.7. Which is the strongest natural fibre?
Q.8. Describe silk?
Q.9. Which material is known as artificial silk?
Q.10. What are the properties of rayon fibre?
Q.11. What are the uses of rayon?
Q.12. Which was the world’s first fully synthetic fibre?
Q.13. Who developed nylon?
Q.14. How was nylon produced in 1930?
Q.15. What are the properties of nylon?
Q.16. Why NYLON is named so?
Q.17. What are the uses of Nylon?
Q.18. What is polyester?
Q.19. Name the different varieties of polyester?
Q.20. What are the properties of polyester?
Q.21. What are the uses of polyester?
Q.22. Which fibre is combined with natural fibres and man made fibres to make wrinkle free fabrics?
Q.23. What is the mixture of polyester and cotton called?
Q.24. What is the mixture of polyester and wool called?
Q.25. What is the full form of PET?
Q.26. What is the use of PET?
Q.27. Acrylic is made from what?
Q.28. Acrylic is used as an alternative of what?
Q.29. What are the advantages of synthetic fibres?
Q.30. What are the disadvantages of synthetic fibres?
Q.31. What is the difference between natural and synthetic fibres?
Q.32. What are the disadvantages of plastics?
Q.33. What are the advantages of plastics?
Q.34. What are the properties of plastics?
Q.35. What measures can be adopted to reduce plastic pollution?
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