1. ZnS
2. CsCl
3. AgCl
4. AgBr
CsCl
1. Both i & ii
2. Both ii & iv
3. Both i & iv
4. Both iii & iv
Both i & ii
1. Hand picking
2. froth floatation
3. Electromagnetic separation
4. Leaching
Electromagnetic separation
1. SO2
2. O2
3. CO2
4. CO
CO
1. Poling
2. Liquation
3. Zone refining
4. Electrolysis
Zone refining
1. Cu
2. Al
3. Mg
4. Fe
Cu
1. FeS
2. Cu2O
3. Cu
4. FeO
Cu2O
1. Cu
2. Ag
3. Fe
4. FeO
Ag
1. Al2O3
2. Al(OH)3
3. AlCl3
4. Al2(SO4)3
Al2O3
1. In a current of dry HCl
2. With carbon
3. Until it fuses
4. With lime
In a current of dry HCl