Question

Aerosol is suspension of.

• A. Liquid drops in air
• B. Solid particles in air
• C. Liquid or solid particles of less than $1.0$ $\mu$m
• D. Liquid or solid particles of more than $1.0$ $\mu$m

Answer 1

The correct option is C Liquid or solid particles of less than $1.0$ $\mu$m

The aerosol is a suspension of liquid and solid particles with a size of less than 1.0 micrometre.

Examples of natural aerosols are fog, dust, forest exudates and geyser steam.

So, the correct option is 'Liquid or solid particles of less than1.0

μm'