CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
Question

You are an alchemist who is trying to remove hard lead impurity from Crude silver. You can only use thermal refining by using a blast of air. What would you use?


A

Van Arkel-de Boer Refining

No worries! We‘ve got your back. Try BYJU‘S free classes today!
B

Mond’s process

No worries! We‘ve got your back. Try BYJU‘S free classes today!
C

Cupellation

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D

Linz-Donawitz process

No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is C

Cupellation


Options a and b are both part of vapour phase refining while option d is applicable for steel making. Cupellation is carried out on a boat shaped container in which the surface of the molten impure metal is treated with a blast of hot air. The impurities are oxidized to volatile oxides and they escape with the blast.


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