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  9. Q91

PPSC PCS 2025 · Question 91 of 100

Which of the following chemicals is used in cloud seeding to enhance rainfall?

Environment

  1. ASilver IodideCorrect
  2. BMagnesium nitrate
  3. CPotassium permanganate
  4. DDiphenyl carbazide

Answer: A. Silver Iodide

Explanation

Silver iodide is the standard cloud-seeding agent.

Source: https://www.nimbusias.com/wp-content/uploads/2025/12/Punjab-PCS-GS-Original-Paper-2025.pdf

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