Extraction of zinc from zinc blende is achieved by__________
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
Extraction of zinc from zinc blende is achieved by__________
A. electrolytic reduction B. roasting followed by reduction with carbon C. roasting followed by reduction with another metal D. roasting followed by self-reduction