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Why is pure iron seldom used in industry?
Why is pure iron seldom used in industry?
- It is too expensive to produce.
- It is too hard for most industrial applications.
- It rusts quickly in water due to impurities.
- It is too soft for most work. (correct)
What makes iron rust in water according to the text?
What makes iron rust in water according to the text?
- Rust forms due to the impurities present in iron. (correct)
- Iron has an inherent property to rust.
- It absorbs impurities from the air.
- It reacts with the water molecules.
Why are nonferrous metals like aluminum and copper important?
Why are nonferrous metals like aluminum and copper important?
- Nonferrous metals are stronger than ferrous metals.
- They are cheaper than ferrous metals.
- They are lightweight and have good electrical conductivity. (correct)
- They are the only metals that do not rust.
What distinguishes ferrous metals from nonferrous metals according to the text?
What distinguishes ferrous metals from nonferrous metals according to the text?
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