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Question

Galvanization is a process of coating iron metal with


A

Copper

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B

Zinc

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C

Chromium

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D

Nickel

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Solution

The correct option is B

Zinc


The explanation for correct options :

Option B, Zinc

  • Galvanization is the process of applying a coating of zinc to iron to protect it from rusting.
  • This protects iron from having direct contact with air and oxygen, preventing it from rusting.

The explanation for incorrect option:

Option A, Copper

  • Copper is an element that undergoes oxidation easily, called corrosion.
  • It is more reactive with air or oxygen than zinc.

Option C, Chromium

  • Most stainless steel includes around 18 percent chromium.
  • It hardens, toughens, and enhances corrosion resistance, particularly at high temperatures.

Option D, Nickel

  • Its main application is alloying, especially with chromium as well as other metals to create stainless and heat-resistant steels.

Thus Option B, Zinc is the correct option.


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