In the process of extraction of metals, roasting is applicable for
A
Metal Sulphide
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B
Metal oxide
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C
Metal fluoride
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D
Metal carbide
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Solution
The correct option is A Metal Sulphide In the process of extraction of metals, sulphide ores are converted into oxides by heating strongly in the presence of excess air. This process is known as roasting. In this process, sulphur dioxide is also formed.