alleryCoating iron with a thin layer of zinc is called:
ASedimentation
BVulcanisation
CGalvanisation
DAmalgamation
Answer & Solution
Correct answer: C. Galvanisation
1. Rusting can be prevented by painting, oiling or coating.
2. One method uses a thin layer of a second metal.
3. Coating steel and iron with zinc is galvanisation.
4. So the answer is galvanisation.
_Source: syllabus Science, Ch 3 'Metals and Non-metals'_
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