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Explain why some fibres are called synth...

Explain why some fibres are called synthetic?

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VGS PUBLICATION-BRILLIANT-SYNTHETIC FIBERES AND PLASTICS-EXERCISE
  1. Explain why some fibres are called synthetic?

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  2. What are thermosetting polymers?Give example .

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  3. Give resons why plastic containers are used as storage devices?

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  4. How synthetic fibres changed our everyday life?

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  5. What would happen, if we make electric switches with thermoplastics ?

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  6. What could be the consequences if plastic is not properly disposed ?

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  7. Nibha wants to buy clothes to parents for winter wear. What type of cl...

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  8. What made the human beings to search for the alternative for natural f...

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  9. Imagine what would happen if we do not discover plastics.

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  10. Indiscriminate usage of plastic is a serious threat to bio-diversity, ...

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  11. Rayon is prepared by

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  12. Necessity of labels on clothes

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  13. The material which is not decomposed by natural process is called

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  14. Which is a Natural libre among the following

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  15. Conduct a flame test to identify Thermoplastics and Thermosetting plas...

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  16. Take hair, wool, silk, paper, cotton thread, piece of plastic, thread ...

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  17. Prepare a table of various synthetic fibres which are used to make hou...

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  18. Collect the figures made up of thermosetting, thermoplastics used in y...

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  19. Prepare a chart which can explain recycling codes, full names and acro...

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  20. Why do we combine fibres? What is this process called?

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