Question

During roasting process zinc blende is converted into

1. ZnSO4

2. ZnO

3. ZnCO3

4. Zn

Answer 1

zinc blende ZnS
when roasting then ,
ZnS + O2 ----> ZnSO4

so, option (1) is correct

Answer 2

During roasting process zinc blende is converted into (1) ZnSO4.