MCQ
Fog is colloidal solution of ____________.
- Asolid in gas
- Bgas in gas
- ✓liquid in gas
- Dgas in liquid
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Match the extraction processes listed in Column-I with metals listed in Column-II.
| Column-I | Column-II |
| A. Self reduction | 1. Pb |
| B. Carbon reduction | 2. Ag |
| C. Complex formation | 3. Cu |
| D. Decomposition of Iodine | 4. B |
| Column - I | Column - II |
| A. $CH _3- CH _2 NO _2$ | 1. Alkyl nitrite |
| B. $C _6 H _5- NO _2$ | 2. Aryl nitro alkane |
| C. $CH _3- O - N = O$ | 3. Aliphatic nitro alkane |
| D. $C _6 H _5- CH _2 NO _2$ | 4. Nitro arenes |