Question 1
Question detail
Which method can prevent rusting of iron?
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
- A. Applying a coat of paint
- B. Exposing it to air
- C. Submerging it in water
- D. Heating it to high temperatures
Answer
Applying a coat of paint
Explanation
Applying a coat of paint acts as a barrier, preventing moisture and oxygen from reaching the iron and thus preventing rusting.
Common mistake
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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