Q25Multiple correct
Which of the following statements are correct?
- (i)A depressant prevents certain type of particle to come to the froth.
- (ii)Copper matte contains Cu2S and ZnS.
- (iii)The solidified copper obtained from reverberatory furnace has blistered appearance due to evolution of SO2 during the extraction.
- (iv)Zinc can be extracted by self-reduction.
Show answer
(i) A depressant prevents certain type of particle to come to the froth.
(iii) The solidified copper obtained from reverberatory furnace has blistered appearance due to evolution of SO2 during the extraction.