Iron ore is strongly heated in roasting process to …………………………….
(a) Get rid of moisture.
(b) Increase conc. of iron in the ore.
(C) Oxidized impurities.
(d) All the previous.
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Roasting is a method of Metallurgy. It converts an ore into its oxide by heating it above the melting point in the presence of excess air. While roasting is a process that is used for converting sulphide ores, calcination is generally used in the oxidation of carbonates.
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