Question

The ancient pillar is made of​

Answer 1

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.

STAY BLESSED!!!!

Answer 2

∆ Answer

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