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Which one of the following is the major impurity in pig iron?A. SiliconB. SulphurC. GraphiteD. Phosphorus |
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Answer» Correct Answer - C It is an impure form of iron cast into blacks (Pigs) obtained from iron over by blast furnace process. Graphite is he major impurity in pig iron. Pig-iron is later converted into cast iron or steel. |
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