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