MetallurgyHard

Question

The extraction of zinc from zinc blende involves :

Options

A.the electrolytic reduction.
B.the roasting followed by reduction with carbon.
C.the calcination followed by reduction with another metal.
D.the roasting at molten temperature.

Solution

2ZnS + 3O2 2ZnO + 2SO2
ZnO + C Zn + CO.
Therefore, (B) option is correct.

Create a free account to view solution

View Solution Free
Topic: Metallurgy·Practice all Metallurgy questions

More Metallurgy Questions

Hydrogen has high ionization energy than alkali metals because it has :...In roasting :...Extraction of silver from Ag2S by the use of sodium cyanide is an example of :...Select correct statement...Silica is added to roasted copper ores during extraction in order to remove...