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Give a step-wise procedure of making ray...

Give a step-wise procedure of making rayon.

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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. Explain briefly hot pin test to distinguish bakalite.

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  2. What are thermoplastic polymers? Give example.

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  3. Give a step-wise procedure of making rayon.

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  4. Give a step-wise procedure of making rayon.

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  5. Write the verstile properties of nylon fibre.

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

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  7. What is 4 R principle?

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  8. What does polymer mean?

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  9. Why do we store drinks in PET bottles?

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

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

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

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

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

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

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  16. Synthetic fibres are made of

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

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

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

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

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