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The crude impure iron extracted from the ores of iron is called as __________

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The crude impure iron extracted from the ores of iron is called as __________

(a) Cast iron

(b) Wrought iron

(c) Steel

(d) Pig iron

The question was posed to me in quiz.

Origin of the question is Ferrous Metals in division Air Conditioning, Thermal Insulation, Stones & Ferrous Metals of Construction & Building Materials

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The correct answer is (d) Pig iron

Explanation: Pig iron is the crude impure iron extracted from the ores of iron. Pig iron is one of the basic materials used in the manufacturing of steel, wrought iron as well as cast iron.

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