9
Which of the following particles are used for cloud seeding in artificial rain making
(A) Silver iodide
(B) Dry ice
(C) Common salt
(D) Dust particle
EXPLANATION
Forest Carbon Sequestration, Carbon Pools & I
- Artificial Cloud Seeding Reagents:
- Silver Iodide ($AgI$): Classic glaciogenic seeding agent for supercooled cold clouds.
- Dry Ice (Solid $CO_2$): Induces instantaneous freezing via cooling below $-40^\circ\text{C}$.
- Sodium Chloride ($NaCl$): Hygroscopic condensation nuclei for warm clouds.
- Conclusion: Reagents (A), (B), and (C) only are standard cloud seeding agents. (Correct answer: Option 1)
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