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Which of the following are characteristi...

Which of the following are characteristics of thermosetting polymers?

A

Heavily branched cross linked polymers.

B

Linear slightly branched long chain molecules.

C

Become infusible on moulding so cannot be reused.

D

Soften on heating and harden on cooling, can be re-used.

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MODERN PUBLICATION-POLYMERS-EXERCISE
  1. Which of the following polymer can be formed by using the following mo...

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  2. In the following questions two or more options may be correct. Which ...

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  3. Which of the following are characteristics of thermosetting polymers?

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  4. Which of the following polymers are thermoplastic?

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  5. What is the most common use of Dutch metal alloy?

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  6. What is the most common use of magnelium alloy?

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  7. What is the most common use of hydroleum alloy?

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  8. What is the most common use of Nichrome alloy?

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  9. Which of the following are example of synthetic rubber?

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  10. The empirical formula of the compound is CH3. Calculate the molecular ...

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  11. Which of the following polymers have vinylic monomer units?

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  12. Vulcanisation makes rubber

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  13. Match the polymer of column I with correct monomer of column II.

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  14. Match the polymers given in Column I with their chemical names given i...

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  15. Match the polymers given in Column I with their commercial names given...

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  16. Express 1049 in roman numbers.

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  17. Express 1050 in roman numbers.

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  18. Match the polymers given in Column I with the type of linkage present ...

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  19. Match materials given in Column I with the polymers given in Column II...

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  20. Express 1053 in roman numbers.

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