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The ancient pillar is made of​

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Answered by Anonymous
6

The iron pillar in India was manufactured by the forge welding of pieces of wrought iron. In a report published in the journal Current Science, R. Balasubramaniam of the IIT Kanpur explains how the pillar's resistance to corrosion is due to a passive protective film at the iron-rust interface.

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Answered by Anonymous
3

∆ Answer

The iron pillar in India was manufactured by the forge welding of pieces of wrought iron.

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