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The chief ore of copper is copper pyrite (CuFeS2) How is the sulphide ore concentrated? Copper is…
The chief ore of copper is copper pyrite (CuFeS2)
(i)
How is the sulphide ore concentrated?
- (a)By Gravity separation process
- (b)By Froth-floatation process
- (c)By Electromagnetic separation process
- (d)By Leaching process
(ii)
Copper is purified by electrolytic refining of blister copper. The correct statement about this process is:
- (a)Impure copper strip is used as cathode
- (b)Impurities do not settle as anode mud
- (c)Pure copper deposits at cathode
- (d)Acidified silver nitrate is used as electrolyte
Answer
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From ISC 2022 Specimen Chemistry Paper 1, question 26.