The iron pillar in Qutab Minar complex in Delhi was built 1600 years ago. It is still standing intact and shows no signs of rusting even today. This shows that the ancient metallurgists of India in those times had fully developed metallurgical processes as well as the techniques of protection of different metals. The protection of metals, was done by several processes like coating of a thin film of another metal, alloying etc.

Corrosion of Metals, Reactivity Series of Metals, Methods of Prevention of Rusting of Iron | PadhAiPro

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CASE_STUDIESCorrosion of MetalsReactivity Series of MetalsMethods of Prevention of Rusting of IronCBSE PYQ3 sub-questions

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