Galvanized iron pipes are made by "hot dipping":

Zinc in molten iron

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Iron in molten nickel

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Iron in molten zinc

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Iron in molten magnesium

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Solution

The correct option is C Iron in molten zinc
Hot-dip galvanization is a form of galvanization. It is the process of coating iron and steel with zinc, which alloys with the surface of the base metal when immersing the metal in a bath of molten zinc at a temperature of around $450^{o} C$ .

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Similar questions

Iron sheets are cleaned with hydrochloric acid before dipping into molten zinc for galvanizing. Why?

Which of the following statements are correct:

I : Zinc and lead are immiscible in molten state; zinc is lighter than lead.

II : Solubility of silver in molten zinc is higher than that in molten lead.

10 c m^{3}

100 c m^{3}

800^{o} C

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