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Which of the following types of iron represents purest form of iron in the manufacturing process?(a) Pig iron(b) White cast iron(c) Wrought iron(d) Grey cast iron |
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Answer» Correct choice is (c) Wrought iron Explanation: The purest form of iron is wrought iron which has negligible amount of carbon in it. It is highly malleable and tough material which can be used for making products by rolling or forging operation instead of casting process. It is basically obtained by melting pig iron which is also called crude iron. |
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