Q. The use of heat treatment of ore that includes smelting and roasting is termed as - (Solved)
1. Electrometallurgy
2. Hydrometallurgy
3. Pyrometallurgy
4. Cryometallurgy
- c. Pyrometallurgy
1. Electrometallurgy
2. Hydrometallurgy
3. Pyrometallurgy
4. Cryometallurgy