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Question

Give reasons for the following: Conversion of concentrated ore to it’s oxide is an essential step in the extraction of metals from the ore, even then the step is not necessary in the metallurgy of aluminium.

Metallurgy

Chemistry, Class 10, ICSE, J Dalal

August 22, 2024

Answer

The step is not necessary as the main ore of Aluminium is Bauxite (Al₂O₃.2H₂O) and it is already an oxide.

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Name the following : (i) A metallic ore converted to it’s oxide – iron [II] oxide on heating the concentrated ore.
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