5 Answers
5 Answers
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The main role of limestone in extraction of iron is to decomposes in hot furnace and form the calcium oxide.0Modal content
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it act as flux0Modal content
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act as flux-1Modal content
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it act as a basic flux3Modal content
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Iron is extracted from its ore, haematite, in a blast furnace. The ore is fed into the top of the furnace along with coke and limestone. ... The limestone decomposes in the hot furnace, forming calcium oxide. This reacts with the sandy impurities (silicon dioxide) to form a slag.7Modal content
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