Hot drink (e.g., tea) cups are usually made of _____________________?
Correct answer: A. Polystyrene
- A. Polystyrene
- B. Polythene
- C. Polypropylene
- D. PVC
Explanation
Polystyrene is commonly used for disposable hot-drink cups because it is lightweight and a good thermal insulator. Polythene and PVC are not the usual materials for this application.
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