alleryStart learning →Galvanisation protects iron and steel from rusting by coating them with a thin layer of
Atin
Bcopper
Czinc
Dchromium
Answer & Solution
Correct answer: C. zinc
1. Galvanisation deposits a protective metal layer on iron/steel.
2. The metal used is **zinc**; being more reactive, it corrodes in preference to iron and shields it even if the coating is scratched.
3. This is why galvanised articles resist rusting.
_Source: Karnataka SSLC (KSEEB) Class 10 Science, Ch3 'Metals and Non-metals', §3.5.1_
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