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What role does iron oxide play in the manufacturing process of building materials?

14. What role does iron oxide play in the manufacturing process of building materials?

1. Provides color
2. Increases strength
3. Reduces corrosion
4. Enhances insulation

Answer

The correct answer is: A) Provides color

Explanation

Depending on its shape and concentration, iron oxide may give concrete, bricks, and tiles a variety of hues.