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JEE Main Chemistry question

ChemistryGeneral Principles and Processes of Isolation of Elements (Metallurgy)JEE Main

Not in JEE Main or NEET syllabus

Main function of roasting is

Answer: (D)

Solution

Roasting mainly serves to drive off volatile impurities such as sulphur, arsenic and phosphorus as their volatile oxides (, , 3O_2$→

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Question ID VK-145218