Multiple choice

Which of the following statements are false? P. Thermosetting polymers cannot be recycled. Q. Elastic deformation in polymers is due to slippage of molecular chains. R. High-density polyethylene is less crystalline than low-density polyethylene. S. Elastomers consist of coil-like polymer chains. Select the correct answer using codes given below:

  1. P and Q

  2. P and R

  3. Q and R

  4. Q and S

  5. R and S
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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