Multiple choice

Why are polyethylene terephthalate plastics preferred to make containers for carbonated drinks?

  1. They are very strong.

  2. They are less gas permeable than other plastics.

  3. They are abrasion resistant.

  4. They are glassy transparent materials.

  5. They are the hardest of all plastics.

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Polyethylene terephthalate plastics commonly abbreviated as PET are less gas permeable than other plastics. Hence, they are popular materials for making bottles for carbonated drinks. The beverages kept in bottles, made from PET, do not lose their taste for a long time.

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