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What do you understand by polymers?...

What do you understand by polymers?

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### Step-by-Step Text Solution: 1. **Understanding the Term "Polymer":** - The word "polymer" is derived from two parts: "poly" and "mer." - "Poly" means "many," and "mer" comes from the Greek word "miros," which means "units." 2. **Definition of Polymers:** - A polymer is a substance that consists of many repeating units (monomers) bonded together. ...
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PEARSON IIT JEE FOUNDATION-SYNTHETIC FIBRES AND PLASTICS -COMPETITION CORNER (Choose the correct option)
  1. What do you understand by polymers?

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  2. Why should plastic materials always be recycled?

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  3. Which of these items are made using teflon due to its high tensile str...

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  4. Which of these synthetic fabric types consist of Dacron and Terylene?

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  5. Which of these objects is made of thermosetting plastic?

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  6. What does PVC stand for?

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  7. Which of these was the first fully-synthetic fibre to be manufactured?

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  8. Why does one need to be extra cautious while ironing synthetic fibres?

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  9. Why are synthetic fibres not suitable for the summer season?

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  10. Which of these is a disadvantage of synthetic fibres?

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  11. Which of these is an advantage of synthetic fibres?

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  12. Why should polyester clothes be avoided in chemical laboratories?

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  13. Which of these monomers are combined to form polythene?

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  14. Why is acrylic often used as a replacement for wool?

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  15. Which of these synthetic fibres is also known as artificial silk?

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  16. Which of these diseases can be caused by using synthetic fabrics?

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  17. Which of these shrinks away from flame and burns with spluttering?

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  18. Which of these fibres smells like burning hair on heating?

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  19. Which of these is an example of a blended fibre?

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  20. Which part of a coconut is used to obtain coir?

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  21. Which of these fibres is made from cellulose?

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