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What is Meant by Galvanisation? Why is It Done? - Science

What is meant by galvanisation? Why is it done?

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Solution

Galvanisation is a process wherein a thin layer of zinc metal gets deposited on iron objects. This is done to prevent rusting of iron by protecting it to come in contact with air and moisture. Zinc metal, being more reactive, reacts with air to form hard layer of zinc oxide, which prevents air from passing through it.

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Lakhmir Singh Class 10 Chemistry (Science)
Chapter 3 Metals and Non-metals
Q 4 | Page 191
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