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Iron is extracted from ore by smelting in a blast furnace with limestone and what?
ACoke
BCopper
CSand
DSalt
Answer & Solution
Correct answer: A. Coke
1. Smelting happens in a blast furnace.
2. Carbon as coke and limestone are added.
3. Molten iron cools into pig iron.
_Source: NCERT Class 12 Geography, Fundamentals of Human Geography, Chapter 6, Secondary Activities._
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