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Which metal develops a protective layer …

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Which metal develops a protective layer over its surface by reaction with air. (a) Iron (b)Zinc (c)Aluminium (d)Silver
  • 4 answers

Kriti Kotiyal 5 years ago

Galvanisation is the process in which a protective layer of zinc is coated on iron to protect it from corrosion(rusting).

Priyesh Saxena 5 years ago

Aluminium
Aluminium

Harjot Kaur 5 years ago

Aluminium
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