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Galvanization

Why zinc meta...

Question

Why zinc metal is used for galvanisation?

A

Zinc get corroded easily than iron

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B

Zinc does not corrode

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C

Corrosion constant of iron increase

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D

All of the above

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Solution

The correct option is B Zinc does not corrode
Thin layer of zinc metal on the surface of iron metal objects protect them from rusting because zinc metal does not corrode on exposure to air.

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Similar questions

Q. If zinc coating is removed after galvanisation, the iron article does not corrode. Why.

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A l

is more reactive than iron but it is less easily corroded than iron because :

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(b) Name any two metals which do not corrode easily.
(c) What is the corrosion of iron known as?
(d) Explain why, aluminium is a highly reactive metal, still it is used to make utensils for cooking.

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