ii. Why a small amount of coke is required in the smelting process? How is slag formed during smelting. ii. Why is lime added in the smalting

ii. Why a small amount of coke is required in the smelting process? Ho

1.	ii. Why a small amount of coke is required in the smelting process? How is slag formed during smelting. ii. Why is lime added in the smalting
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