Environmentalhard · Past Paper
Which chemical is used for 'Cloud Seeding' to induce artificial rain (which can sometimes lead to pollution)?
ASodium chloride
BSilver iodide
CPotassium permanganate
DMagnesium sulfate
✓ Correct Answer: B — Silver iodide
Silver iodide has a crystal structure similar to ice and is used as a nucleus for raindrops to form.
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