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How is Dacron obtained from ethylene gly...

How is Dacron obtained from ethylene glycol and terephthalic acid?

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(A) Glyptal is obtained by the condensation polymerization, of ethylene glycol and terephthalic acid. (R) Glyptal is used in the manufacture of paints and lacquers.

A: Glyptal is obtained by condensation polymerization of ethylene glycol and terephthalic acid. R: Glyptal is used in the manufacture of fabrics.

Assertion : Terylene is a condensation polymer. Reason : Terylene is formed by ethylene glycol and terephthalic acid with elimination of water molecule.

Assertion : Glyptal is formed by the condensation polymerisation of ethylene glycol and terephthalic acid Reason : Glyptal is used in the manufacture of paints and lacquers

Ethylene glycol is used

Terylene is a polymer of ethylene glycol and

Assertion (A)Glyptal is a copolymer. Reason(R ) It has two monomeric units, ethylene glycol and phthalic acid.

DINESH PUBLICATION-POLYMERS-N.C.E.R.T Exercise
  1. Explain the terms polymer and monomer.

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  2. What are natural and synthetic polymers ? Give two examples of each ty...

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  3. Distinguish between the terms homopolymer and copolymer and give an ex...

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  4. How do you explain the functionality of a monomer?

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  5. Define the term polymersation.

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  6. Is(NH-CHR-CO)(n)a homopolymer or copolymer?

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  7. In which classes, the polymers are classified on the basis of molecula...

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  8. How can you differentiate between addition and condensation polymerisa...

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  9. Explain the term copolymersation and give two examples.

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  10. Define thermoplastics and thermosetting polymers with two examples of ...

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  11. Write the monomers used for getting the following polymers. (i) Poly...

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  12. Write the name and structure of one of the common initiators used in f...

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  13. How does the presence of double bonds in rubber molecules influence th...

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  14. Discuss the main purpose of vulcanisation of rubber.

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  15. What are monomeric repeating units of nylon-6and nylon-6.6?

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  16. Write the names and structures of the monomers of the following polyme...

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  17. Identify the monomer in the following polymeric structure (i) [-over...

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  18. How is Dacron obtained from ethylene glycol and terephthalic acid?

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  19. What is a biodegradable polymer ? Give an example of a biodegradable a...

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