MCQ
Colloidal ink and graphite are prepared by …………
- ✓colloid mill
- BBredig’s arc
- Cultrasonic homogenizer
- Dpeptisation
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Column-I | Column-II |
| A. Natural rubber | 1. Styrene + Buta 1,3 - diene |
| B. Neoprene | 2. cis - isoprene |
| C. Buna - N | 3. Chloroprene |
| D. Buna- S | 4. Acrylonitrile + buta-1,3 diene |
| Column - I | Column - II |
| A. $CH _3 CN \underset{ C _2 H _5 OH }{\stackrel{ Na ( Hg )}{\longrightarrow}}$ ? | 1. $CH _3 NH CH _3$ |
| B. $CH _3 NC \underset{ C _2 H _5 OH }{\stackrel{ Na ( Hg )}{\longrightarrow}}$ ? | 2. $CH _3 NH _2$ |
| C. $CH _3 CONH _2 \stackrel{ Br _2 / KOH }{\longrightarrow}$ ? | 3. $C _6 H _5 NH _2$ |
| D. $C _6 H _5 NO _2 \stackrel{ Sn / HCl }{\longrightarrow}$ ? | 4. $CH _3 CH _2 NH _2$ |