An ore on heating in air produces sulphur
dioxide. The process which is used for its
concentration and the two steps involved in
the conversion of this ore into related metal
are respectively
(A) Hydraulic washing, chemical separation
and refining.
(B) Baeyer’s process, electrorefining and
reduction
(C) Froth floatation process, conversion to
metal oxide and reduction of metal oxide
(D) None of these.
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Answer:
answer : B
bayers method , electrorefining and reduction
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