Question

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1. What is galvanisation? Why is galvanised iron considered better than tin plated iron? Name the ore of iron
which is used to make ships and bridges, and give its composition.​

Answer 1

Answer:

the process of depositing a layer of zinc on iron is called Galvanisation.

Galvanised iron is considered better than tin plated iron because it prevent it from rusting and being damaged..

For Example

The iron water pipes which are used to supply water to homes are galvanised to prevent rusting

Answer 2

Answer:

Galvanisation or galvanization (or galvanizing as it is most commonly called) is the process of applying a protective zinc coating to iron or steel, to prevent rusting. Galvanisation protects iron from rusting.Zinc corrodes and forms a layer of zincoxide on iron surface and thus stops air and water reaching the surface of iron.

In tin plated iron if tin plate be scratched ,the iron will rust quick