Which of the following metals is/are added to the pig iron to improve its steel properties?

Manganese

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Nickel

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Chromium

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Mercury

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Solution

The correct options are
A Manganese
B Nickel
C Chromium
To obtain steel from pig iron, it needs to go through further refining. Pig iron is melted, while the impurities are removed through oxidation. Manganese, nickel and chromium are added to improve the steel’s properties. The steel produced through these processes are shaped through rolling, pressing, casting, and forging.

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