Chemistry, asked by jagtarsingh2072, 4 months ago

10. What is possibly the reason why the iron pillar of Delhi has not rusted yet?

Answers

Answered by gouravkuamrverma2

Explanation:

According to them, the relatively pure composition of the iron used, presence of high amounts of phosphorus (as much as 1 per cent against less than 0.05 per cent in todayâ€™s iron) and absence of sulphur/magnesium in the iron are the main reasons for its longevity

Answered by lakshaya98

Answer:

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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