Multiple choice general knowledge history

The Delhi Iron Pillar belonging to the which period still remains rustless.

  1. Pallava's

  2. Maurya's

  3. Kushana's

  4. Gupta's
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Delhi Iron Pillar is a remarkable archaeological artifact from the Gupta period (4th century CE) that has resisted rust for over 1600 years due to its high phosphorus content creating a protective passive layer. The pillar's corrosion resistance demonstrates the advanced metallurgical knowledge of ancient Indian craftsmen during this golden age of Indian civilization.

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