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Explain why is rayon considered a semi-s...

Explain why is rayon considered a semi-synthetic fibre.

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**Step-by-Step Solution:** 1. **Definition of Rayon**: Rayon is a type of fiber that is made from natural sources, specifically plant cellulose. 2. **Source of Rayon**: The primary raw material for rayon is cellulose, which is derived from plants. This makes it a natural product at its origin. 3. **Chemical Processing**: The cellulose obtained from plants undergoes a chemical process to transform it into rayon. This process involves treating the cellulose with chemicals to dissolve it and then regenerating it into fiber form. ...
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PEARSON IIT JEE FOUNDATION-SYNTHETIC FIBRES AND PLASTICS -CLASSROOM CORNER (Short Answer Type Questions)
  1. What are natural materials? Give any two examples of objects made from...

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  2. Name any three natural fibres. What are the different sources from whi...

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  3. Explain why is rayon considered a semi-synthetic fibre.

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  4. How can you identify a natural and synthetic fibre? Justify your answe...

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  5. Discuss why polyester is considered a cancer causing fibre? Comment.

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  6. What is the most common synthetic fibres?

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  7. Why does synthetic fibres melt but natural fibres do burn? Discuss you...

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  8. Explain how is nylon made. Comment

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  9. Discuss the different characteristics and uses of nylon?

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  10. Discuss why acrylic is considered non-safe to wear? Comment

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  11. Justify how is polyester used in everyday life? Comment

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  12. Explain what is polyethylene terephthalate used for.

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  13. Is acrylic considered a natural fibre? Justify your answer.

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  14. Give some uses of PET. Discuss in brief.

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  15. Manufacturing synthetic fibres is actually a helping conservation of f...

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  16. Why is acrylic blended with wool? Justify your answer.

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  17. Explain why the following are made of ther mosetting plastics. I. ...

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  18. Answer the below point: What are the two types of plastics?

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  19. Answer the below point: Give any one example of thermosetting plast...

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  20. Answer the below point: Name any one plastic that easily melts when...

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