Question detail

Which two elements are essential for iron to rust?

Try the question, check the answer, then read the explanation to understand the curriculum point.

At a glance

MCQ

Type

practice

Style

Topic

Using materials

Question

Oxygen and water

Rusting occurs when iron reacts with both oxygen and water in the environment.

Misunderstanding Rusting

Students often describe rusting as the corrosion of all metals, not just iron.

Emphasize that rusting specifically refers to the corrosion of iron.

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