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Bulletproof helmets are made from...

Bulletproof helmets are made from

A

Lexan

B

Saran

C

Glyptal

D

Thiokol

Text Solution

Verified by Experts

The correct Answer is:
A
Bullet proof helmets are made from lexan.
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MODERN PUBLICATION-POLYMERS-Competition file (OBJECTIVE TYPE QUESTIONS) (B. MULTIPLE CHOICE QUESTIONS) (JEE (MAIN) & OTHER STATE BOARDS FOR ENGINEERING ENTRANCE)
  1. Which of the following statements about low density polythene is false...

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  2. Correct statement for thermoplastic polymer is

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  3. Bulletproof helmets are made from

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  4. Which of the following is not true?

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  5. On complete hydrogenation, natural rubber produces

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  6. Which of the following is not a biodegradable polymer?

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  7. The monomer used in novolac, a polymer used in paints .

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  8. Protein is a polymer made of

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  9. What is the IUPAC nomenclature of isoprene molecular present in natura...

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  10. The formation of which of the following polymers involves hydrolysis r...

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  11. Which of the following is a polyamide?

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  12. Among the following, the branched chain polymer is

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  13. Ziegler-Natta catalyst is used to prepare

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  14. The polymer containing five methylene groups in its repeating unit is

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  15. Cis-1, 4 polyisoprene is known as

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  16. The polymers which does not become soft on heating and cannot remould ...

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  17. Which of the following polymers does not involve cross-linkages ?

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  18. Which in the correct structure of Nylon-6

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  19. Which of the following is a condensation polymer?

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  20. Which of the following is a thermosetting polymer?

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