what is the the preportinate in which iron are, coking coal and lime stone are added to form steel ?
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what is the the preportinate in which iron are, coking coal and lime stone are added to form steel ?
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Answer:
The correct option is B 4 :2: 1
In iron production iron ore, coking coal and limestone are also used. They are required in the ratio of 4:2:1. In case of steel production, manganese is also used to harden the steel.
Explanation:
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Answer:
iron are, coking coal and lime stone should be added in the proportion 4:2:1