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Question
Heating of pyrites in presence of air to remove sulphur is called _________.
Heating of pyrites in presence of air to remove sulphur is called _________.
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Solution
The correct option is D Roasting
In roasting, the ore is treated with very hot air. This process is generally applied to sulphide minerals. During roasting, the sulfide is converted to an oxide, and sulfur is released as sulfur dioxide, a gas.
In roasting, the ore is treated with very hot air. This process is generally applied to sulphide minerals. During roasting, the sulfide is converted to an oxide, and sulfur is released as sulfur dioxide, a gas.
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