MCQ
Which pair of actinoids show +2 oxidation state?
- ✓Am and Th
- BPa and U
- CPu and Cm
- DNo and Lr
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| Column – I | Column – II |
| A. Cyanide process | (i) Ultrapure Ge |
| B. Froth floatation process | (ii) Dressing of ZnS |
| C. Electrolytic reduction | (iii) Extraction of Al |
| D. Zone refining | (iv) Extraction of Au |
| (v) Purification of Ni |