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Why the iron pillar beside Qutub minar do not rust explain it correctly , that can be understood |
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Answer» tion: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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