In a mining field, miners found an ore called fool's gold whose chemical formula is ${FeS}_{2}$ . Which method has to be carried out to convert concentrated ore to its oxide?

Calcination

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Roasting

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Froth floatation

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Magnetic separation

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Solution

The correct option is B
Roasting

Roasting is done for converting sulphide metal ore to its oxide. The given ore contains sulphide. Hence, roasting is done.

Calcination is done for converting carbonate metal ore to its oxide.

Froth floatation is done for purification of sulphide ore, not for converting to its oxide.

Magnetic separation is done for purification of ore having magnetic ore and non-magnetic impurities or vice-versa.

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In a mining field, miners found an ore called fool's gold whose chemical formula is ${FeS}_{2}$ . Which method has to be carried out to convert concentrated ore to its oxide?

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In a mining field, miners found an ore called fool's gold whose chemical formula is FeS2. Which method has to be carried out to convert concentrated ore to its oxide?

In a mining field, miners found an ore called fool's gold whose chemical formula is ${FeS}_{2}$ . Which method has to be carried out to convert concentrated ore to its oxide?