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Question

Iron obtained from reduction zone of the blast furnace is:

A
wrought iron
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B
cast iron
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C
spongy iron
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D
steel
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Solution

The correct option is C spongy iron
Direct-reduced iron (DRI), also called sponge iron, is produced from direct reduction of iron ore (in the form of lumps, pellets or fines) by a reducing gas produced from natural gas or coal.

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