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Question

Process of heating the ores strongly in presence of oxygen, during which sulfide is converted to an oxide is called roasting.



A

True

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B

False

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Solution

The correct option is A

True


Roasting is a process of heating of sulfide ore to a high temperature but below it's melting point in presence of air. During roasting, the ores gets converted into it's oxide.
For example:
2Cu2S+3O22Cu2O+2SO2(g)

During roasting Copper (I) sulfide reacts with oxygen at high temperature to form Copper (I) oxide and sulfur dioxide a gas.


Chemistry

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