Which of the following processes involves the roasting process. – InterviewSolution

1.	Which of the following processes involves the roasting process.
Answer» `ZnS+3O_(2) to 2ZnO+2SO_(2)` `Fe_(2)O_(3)+3C to 2Fe+3CO` `2PbS+O_(2) to 2PbO+2SO_(2)` `Al_(2)O_(3).2H_(2)O to Al_(2)O_(3) +2H_(2)O` Solution :Roasting mcans conversion of sulphide ORE into its oxides by heating in PRESENCE of AIR.

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