Prelims 2025 · Science and Technology · Question 65
Artificial way of causing rainfall to reduce air pollution makes use of
Answer
silver iodide and potassium iodide
- (a) silver iodide and potassium iodide: Cloud seeding/artificial rain commonly uses silver iodide; potassium iodide has also been used as a seeding agent. Verdict: Correct.
- (b) silver nitrate and potassium iodide: Silver nitrate is not the standard cloud-seeding chemical for inducing rainfall. Verdict: Incorrect.
- (c) silver iodide and potassium nitrate: Potassium nitrate is not a standard agent for artificial rainfall in this context. Verdict: Incorrect.
- (d) silver nitrate and potassium chloride: Neither is the standard combination used for cloud seeding to induce rain. Verdict: Incorrect.
Answer: (a)