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What are natural materials? Give any two...

What are natural materials? Give any two examples of objects made from natural materials.

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**Step-by-Step Solution:** 1. **Definition of Natural Materials:** Natural materials are substances that are obtained from nature without any alteration or synthetic processing. They are derived from plants, animals, and minerals found in the environment. 2. **Examples of Natural Materials:** - **Wood:** Wood is a natural material that comes from trees. It is widely used in furniture, construction, and paper products. - **Cotton:** Cotton is a natural fiber obtained from the cotton plant. It is commonly used to make clothing, bed linens, and other textile products. ...
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PEARSON IIT JEE FOUNDATION-SYNTHETIC FIBRES AND PLASTICS -CLASSROOM CORNER (Short Answer Type Questions)
  1. The origin of a certain synthetic fibre is linked to World War II. Dis...

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  2. Sukanya extracted some fibres that had properties as mentioned below a...

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  3. What are natural materials? Give any two examples of objects made from...

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

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

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

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

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  8. What is the most common synthetic fibres?

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

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  10. Explain how is nylon made. Comment

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  11. Discuss the different characteristics and uses of nylon?

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

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

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  14. Explain what is polyethylene terephthalate used for.

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

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

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

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

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

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

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