UPSC Prelims 2025 PYQ – Artificial rainfall via cloud seeding
UPSC Prelims 2025 Question on Artificial Rainfall for Air Pollution Control
Q. Artificial way of causing rainfall to reduce air pollution makes use of:
✅ Correct Answer: (a) Silver iodide and potassium iodide
Explanation: Cloud seeding uses silver iodide due to its ice-like structure which stimulates raindrop formation. Potassium iodide can also act as a condensation nucleus, making the combination effective for artificial rain to reduce air pollution.
