1.

Mark the wrong staement among the following. The iron ore after washing is roasted witha little coasl in excess of air. During roasting

Answer»

Moistuyre is removed
As and S are removed in the form of their VOLATILE oxides
Any FERROUS oide is oxidised to ferric oxide.
The MASS becomes compact and THUS makes it sutiable for ready REDUCTION to metallic iron.

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