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Blast Furnace Process

The process t...

Question

The process that involves the removal of sulphur from the ores is:

A

Refining

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B

Roasting

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C

Smelting

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D

Leaching

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Solution

The correct option is B Roasting
In roasting, the ore is heated in a regular supply of air in a furnace at a temperature below the melting point of the metal. Roasting removes $S$ as $S O_{2}$ .
$S + O_{2} \to S O_{2}$

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