Which particles serve as the hygroscopic nuclei for condensation?
AAsh and pollen grains
BIce and hailstones
CRising smoke rings
DDust and salt particles
Answer & Solution
Correct answer: D. Dust and salt particles
1. Hygroscopic nuclei attract water vapour.
2. Dust and salt particles do this work in the air.
3. Clouds form as vapour condenses around them.
_Source: NCERT Class 11 Geography, 'Composition and Structure of Atmosphere' (kegy207)_
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