MCQ
Primary and secondary amines are distinguished by ……….
- A$Br_2 / KOH$
- B$HCIO_4$
- C$NH_3$
- ✓$HN_2$
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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 |