Question 1
Question detail
What is galvanising and how does it protect iron from corrosion?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Using materials
Question
What is galvanising and how does it protect iron from corrosion?
Answer
Galvanising is the process of coating iron with a layer of zinc. The zinc layer acts as a barrier to prevent moisture and oxygen from reaching the iron, thus protecting it from rusting.
Explanation
This question tests the student's understanding of galvanising as a method of corrosion prevention. The answer highlights the protective role of zinc, which is essential for preventing rusting of iron.
Common mistake
Misunderstanding Galvanising
Students often think galvanising involves coating iron with zinc to prevent rusting, but they confuse it with other protective methods.
Clarify that galvanising specifically refers to the process of applying a protective zinc coating to iron to prevent corrosion.
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