Question

What is the commercial name of expanded polystyrene?

• A. Thermocol
• B. Teflon
• C. Nylon
• D. Lycra

Hint:

Thermocol is widely used for its insulating properties and as packaging material due to its light weight.

Answer 1

The Correct Option is A

Step 1: Identifying the Material.
Expanded polystyrene is commonly known by its commercial name, Thermocol. It is a lightweight material often used in packaging and insulation.
Step 2: Conclusion.
Thus, the correct commercial name for expanded polystyrene is Thermocol.
\[ \boxed{\text{The correct answer is (a) Thermocol.}} \]