What is galvanisation?

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A Coating iron with tin to make it shiny
B Coating copper with silver
C Coating iron with paint
D Coating iron or steel with zinc to prevent rusting

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Answer: D. Coating iron or steel with zinc to prevent rusting

Galvanisation is coating iron or steel with a layer of zinc. Zinc forms a protective barrier, and because zinc is more reactive than iron, it corrodes first and protects the iron underneath.

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What is galvanisation?

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