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Question

Galvanisation protects iron from rusting by coating it with a thin layer of:

The correct answer is
Zinc metal only

Galvanisation: Protecting Iron from Rusting

Galvanisation is a process used to protect iron or steel from rusting (corrosion).

It involves coating the iron or steel surface with a thin layer of another metal. This layer acts as a barrier, preventing the corrosive elements (like oxygen and moisture) from reaching the iron.

Key Metal Used in Galvanisation

The specific metal used in the galvanisation process to coat iron is Zinc metal only. Zinc provides both a physical barrier and acts as a sacrificial anode, meaning it corrodes preferentially to protect the underlying iron.

Conclusion

Therefore, galvanisation protects iron from rusting by coating it with a thin layer of Zinc metal only.

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Important Questions from Metals

  1. What would happen when a few pieces of Copper metal is put in a beaker containing dilute Sulphuric acid ?

  2. Metals are good conductors of electricity because

  3. Which one of the following is a citation for intermediate goods?

    I. Steel sheet used for the manufacture of automobiles

    II. copper is used for making utensils

  4. What is the composition of Gunmetal?

  5. Iron from its ore is converted to pig iron in a _______.

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