Consider the following statements about Metallurgical knowledge of ancient Indians 1 Advancement in ...........

Ancient and Medival History Mauryan and Post Maurayan

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Consider the following statements about Metallurgical knowledge of ancient Indians

1.Advancement in Metallurgy started after Vedic age.

2.Alkali and acids were produced and utilized for making medicines, dyes and colours.

3.The iron pillar in Qutub complex is indicative of high quality of alloying that was being done.

How many of the statements above is/are correct?

Only One

Only Two

All Three

None

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Explanation:

2 and 3 only

A high phosphorus iron ore was clearly used, and this element contaminated the product. As a result, a very thin dark grey protective layer of crystalline iron hydrogen phosphate has formed on the surface of the pillar, which is the reason for its resistance to corrosion.

Alkali and acids were produced and utilized for making medicines, dyes and colours.