Zinc in the extraction of silver.L, in the van Arkel method of refinin – InterviewSolution

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1.	Zinc in the extraction of silver.L, in the van Arkel method of refining of zirconium(i)(i) Limestone in the extraction of iro11) 12tone in the extraction of iron from its oxide.
Answer» 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.

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