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Which metal is used for galvanising iron?

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in Chemistry – Class 12 by (188k points)
Which metal is used for galvanising iron?

(a) Brass

(b) Zinc

(c) Copper

(d) Aluminium

The question was posed to me in an internship interview.

This interesting question is from Uses of Aluminium, Copper, Zinc and Iron topic in section General Principles and Processes of Isolation of Elements of Chemistry – Class 12

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Correct answer is (b) Zinc

The best explanation: Zinc is used for galvanising iron to protect it from corrosion. Galvanisation is a process of applying a protective zinc coating on iron or steel to prevent it from rusting. The most common method in galvanising is hot-dip method.

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