Question

Why iron pillar is called a rustless wonder ?

Answer 1

Answer:

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Answer 2

The pillar has attracted the attention of archaeologists and materials scientists because of its high resistance to corrosion and has been called a "testimony to the high level of skill achieved by the ancient Indian iron smiths in the extraction and processing of iron".

Location: Qutb complex at Mehrauli in Delhi,

India

Height: 7.21 m (23 ft 8 in)

The rustless wonder called the Iron Pillar near the Qutb Minar at Mehrauli in Delhi did not attract the attention of scientists till the second quarter of the 19th century.