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Home » , , » Which one of the following is termed as sacrificial protection of metal?

Which one of the following is termed as sacrificial protection of metal?

  By GK Planet Team      
Q. Which one of the following is termed as sacrificial protection of metal?

A. Galvanization
B. Tinning
C. Organic coating
D. Inorganic coating

Answer: Galvanization

Galvanising is a method of rust prevention. The iron or steel object is coated in a thin layer of zinc. This stops oxygen and water reaching the metal underneath - but the zinc also acts as a sacrificial metal. Zinc is more reactive than iron, so it oxidises in preference to the iron object.
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