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What is the primary purpose of magnesia in certain building materials?

15. What is the primary purpose of magnesia in certain building materials?

1. Enhancing durability
2. Providing insulation
3. Increasing hardness
4. Improving flexibility

Answer

The correct answer is: B) Providing insulation

Explanation

Magnesia can enhance the thermal insulation properties of certain building materials, making them suitable for applications requiring heat resistance.