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Which one of the following elements constitutes a major impurity in pig iron
Options
(a) Sulphur
(b) Oxygen
(c) Silicon
(d) Carbon
Correct Answer:
Carbon
Explanation:
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The correct answer should be oxygen.
Pig iron is an intermediate product of the iron industry, also known as crude iron, which is obtained by smelting iron ore in a blast furnace. Pig iron has a very high carbon content, typically 3.8–4.7%,[1] along with silica and other constituents