CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

The chemical composition of 'slag' formed during the smelting process in the extraction of copper is:

A
Cu2S+FeO
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
Cu2O+FeS
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
FeSiO3
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
CuFeS2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is C FeSiO3
During the extraction process, iron impurities are present in the form of FeS.
The ore is smelted with coke and silica;
FeS present in the smelt is oxidized to FeO, which is removed as slag
in the form of FeSiO3:

2FeS+3O22FeO+SO2
FeO+SiO2FeSiO3

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Metallurgy of Copper
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon