19. An ore contains arsenic and antimony as impurities.
How are they removed during the process of roasting?
(a) by conversion into As2O3 and Sb2O3
(b) by conversion into As2O3 and Sb2O5
(c) by conversion into both trioxides and pentoxides
(d) by conversion into sulphides
Answers
Answered by
3
gwgyeuw8wgqtgdghaj
ywh3u473uue6ryur7yyry4
ehhrurhueytru74yur3yu4
hrh4h4uu4u425738488
Similar questions