wiz-icon
MyQuestionIcon
MyQuestionIcon
2
You visited us 2 times! Enjoying our articles? Unlock Full Access!
Question

Blister copper is refined by stirring molten impure metal with green logs of wood because such woods liberate gases (like CH4 ). This process X is called , and it is used to purify the metal that initially contain impurities of the oxide Y. X and Y can be:

A
X = poling, Y=SnO2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
X = cupellation. Y = CuO
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
X = cupellation, Y = ZnO
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
X = poling, Y = CuO
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is D X = poling, Y = CuO
Poling is a purification process which is used for metals which contain their own oxide as an impurity

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