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An ore contains arsenic and antimony as impurities. How are they removed during the process of roasting?A. by conversion into `As_(2)O_(3)andSb_(2)O_(3)`B. by concersion into `As_(2)O_(5)andSb_(2)O_(5)`C. by conversion into both trioxides and pentoxidesD. by conversion into sulphides

Answer» Correct Answer - A


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