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Q.

Galvanization is a method of protecting steel and iron from rusting by coating them with a thin layer of _________.

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a

aluminium

b

copper

c

zinc

d

silver

answer is C.

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Detailed Solution

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  • Galvanization is a method of protecting steel and iron from rusting by coating them with a thin layer of zinc.
  • 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 a hard layer of zinc oxide, which prevents air from passing through it.
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