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iron
CHANDRAGUPTA
asoka
asoka
7î7
This is not pure iron but a special steel.
Effect of acid rain on Iron Pillar of Qutub Minar is- When acid rain falls on the Iron Pillar the colour of Iron Pillar changes from red to black. Other factors like pollution and dust are also responsible. The government should take some strict actions on this issue.
Ashoka pillar has a layer of crystalline iron hydrogen phosphate which protect it from rusting.
it weighs about 6 tons
The base of the pillar is tied to its foundations by small pieces of iron. It rises to a height of 7.20 m, with 93 cm buried below the present floor level
The pillar in Delhi, known as the Iron Pillar of Qutub Minar, is made of wrought iron and is a testament to the advanced metallurgical skills of the Gupta period. The pillar's resistance to corrosion is due to the high phosphorus content in the iron and the presence of a protective passive layer. This indicates that the Guptas had a sophisticated understanding of metallurgy and metalworking techniques.
Propane and Oxygen