Rusting of iron is prevented in galvanisation by coating iron with a layer of
ACopper only
BTin only
CZinc
DSilver only
Answer & Solution
Correct answer: C. Zinc
1. The chapter lists methods to prevent rusting.
2. Galvanisation coats iron with zinc.
3. Zinc protects iron even when scratched (sacrificial protection).
4. So option A is correct.
_Source: Selina Concise Chemistry Class 10, Ch 7 Metallurgy (Mistral OCR'd PDF), section on prevention of rusting_
Related questions
Metallurgy is the process of:Bronze, an alloy resistant to sun and rain, is made from which composition?An alloy in which one of the constituent metals is mercury is given which special name?In electroplating, what is coated onto a more reactive metal by electrolysis?In anodization of aluminium, the article is made the anode so that a protective layer of wDepositing a layer of molten tin on a metal surface, popularly called 'kalhaee', is known In galvanizing, why does the zinc layer corrode before the iron beneath it?In galvanizing, a thin layer of which metal is applied to protect iron or steel?