Multiple choice

Which of the following statements are not correct?

  1. Thermosetting plastics cannot be recycled.
  2. Elastic deformation in polymers is due to slippage of molecular chains.
  3. Low-density polyethylene is more crystalline than high-density polyethylene.
  4. Elastomers consist of hank-like polymer chains.

  1. 1 and 2

  2. 1 and 3

  3. 2 and 3

  4. 2 and 4

  5. 3 and 4
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Elastic deformation in polymers is due to slight adjustment of molecular chains. High-density polyethylene is more crystalline than low-density polyethylene because it contains fewer branches.

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