The addition of silica during the extraction of copper from its sulphide ore
The addition of silica during the extraction of copper from its sulphide ore
Option 1 -
Reduces copper sulphide into metallic copper
Option 2 -
Reduces the melting point of the reaction mixture
Option 3 -
Converts copper sulphide into copper silicate
Option 4 -
Converts iron oxide into iron silicate
-
1 Answer
-
Correct Option - 1
Detailed Solution:FeO (Impurities) + SiO? (Flux) → FeSiO? (Iron silicate) Slag
Similar Questions for you
Na+ C + N + S ®NaSCN
Fe3+ + SCN–
In the metallurgy of aluminium, purified Al2O3 is mixed with Na3AIF6 or CaF2 which lowers the melting point of the mixture and brings conductivity.
Ellingham diagram explains the feasibility of reduction process not the kinetics of process.
Malachite : CuCO3.Cu (OH)2
Azurite : 2CuCO3.Cu (OH)2
Cuprite : Cu2O
Copper pyrite : Cu2S.Fe2S3.
Taking an Exam? Selecting a College?
Get authentic answers from experts, students and alumni that you won't find anywhere else
Sign Up on ShikshaOn Shiksha, get access to
- 65k Colleges
- 1.2k Exams
- 687k Reviews
- 1800k Answers