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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.

Q. Aluminium is more reactive than iron but aluminium is less easily corroded than iron because:

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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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