Question:
Particulates \((<1\ \mu m\text{ size})\) remaining suspended in air and transported by wind currents are called as
Particulates \((<1\ \mu m\text{ size})\) remaining suspended in air and transported by wind currents are called as
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Aerosols are very fine solid or liquid particles suspended in air.
Updated On: May 27, 2026
- Fumes
- Mist
- Dust
- Aerosols
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The Correct Option is D
Solution and Explanation
Very small particles can remain suspended in air for a long time.
When the particle size is less than about:
\[
1\ \mu m,
\]
the particles do not settle quickly.
They can be carried over long distances by wind currents.
Such suspended particles or droplets in air are called aerosols.
Fumes are very fine solid particles formed by condensation of vapours.
Mist consists of small liquid droplets.
Dust usually refers to larger solid particles.
The general term for fine particles suspended in air and transported by wind is:
\[
\text{Aerosols}.
\]
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