Extraction of zinc from zinc blende is achieved by:

Options

A. electrolytic reduction
B. roasting followed by reduction with carbon
C. roasting followed by reduction with another metal
D. roasting followed by self reduction

Answer

B

Explanation

Zinc blende contains ZnS which is first roasted partially and then subjected to reduction with carbon
`2ZnS +3O_(2) to 2ZnO+2SO_(2)`(Roasting)
`ZnO+C overset(Delta)to Zn+CO uarr `(Carbon reduction )