1. HgO
2. HgSO3
3. HgSO4
4. Hg
Hg
1. Pure copper
2. Alloy of copper
3. Copper containing some impurity
4. Ore of copper
Copper containing some impurity
1. C
2. Al
3. H
4. CO
C
1. Magnetic separation
2. Froth floatation
3. Electrostatic method
4. Liquation
Magnetic separation
1. Gravity separation
2. Froth floatation process
3. Magnetic separation
4. Liquation
Froth floatation process
1. Van arkel method
2. Poling
3. Cupellation
4. Electrorefinig
Van arkel method
1. Carbone reduction
2. Hydrogen reduction
3. Electrolytic reduction
4. Thermite reduction
Electrolytic reduction
1. CaCO3
2. Lime
3. SiO2
4. CaO
SiO2
1. To remove moisture
2. To decompose carbonate
3. To drive off organic matter
4. All the above
All the above
1. Ti
2. Zr
3. V
4. Mn
Ti