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JAMB Chemistry 2014 Question 48

Question 48

Polymers

Polystyrene is widely used as packaging materials for fragile objects during transportation because of its

  1. A.lightness.
  2. B.low density.
  3. C.high density.
  4. D.high compressibility.
Show the answer and explanation

Answer: B (low density.)

Explanation

Expanded polystyrene is mostly trapped air, so its very low density makes it a light, cushioning packing material.