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What is 4 R principle?...

What is 4 R principle?

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  • SYNTHETIC FIBRES AND PLASTICS

    NCERT TELUGU|Exercise Improve your learning (Suggested Projects) |3 Videos

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NCERT TELUGU-SYTHETIC FIBERS AND PLASTICS-EXERCISE
  1. Write the verstile properties of nylon fibre.

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  2. Can you name the few things made up of (i) nylon (ii) rayon (iii) acry...

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  3. What is 4 R principle?

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  4. What does polymer mean?

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  5. Why do we store drinks in PET bottles?

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  6. Fill in the blanks. Clothing lables are………

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  7. Fill in the blanks. Rayon is made of……

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  8. Fill in the blanks. A silk fibre's smoth absorbs light……

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  9. Fill in the blanks. Synthetic fibres are also called as…….fibres.

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  10. Fill in the blanks. Synthetic fibres are synthesized from raw materia...

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  11. Fill in the blanks. Like synthetic fibre, plastic also…….

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  12. Synthetic fibres are made of

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  13. Fill in the blanks : ………………is known as artificial silk.

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  14. Fill in the blanks :We use ………………….. and ………………… to prepare bed sheets...

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  15. Fill in the blanks : …………………….fibre is used in parachutes and fisherme...

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  16. Fill in the blanks : ………………….are easily non-biodegradable.

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  17. Classify following material which can be, cannot be recycled? Plastic ...

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

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

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  20. Introduction of synthetic fibres in the textile industry brought revol...

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