MCQ
Which type of leaching process convert insoluble sulphide ores into soluble sulphates?
- Acyanide leaching
- Balkali leaching
- ✓acid leaching
- Dhandpicking
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| Column-I | Column-II |
| A. LDPE | 1. Non-stick utensils |
| B. HDPE | 2. Wool for making blankets |
| C. Teflon | 3 Toys |
| D. Orlon | 4. Pipes |