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Aerosol (Solid/Gas)

Dust particle...

Question

Dust particles in air is a solution or colloid?

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Solution

Dust particles in air are similar to colloids.They are larger than the particles in a solution but smaller than particles in a suspension. These dust particles are very small but they are large enough to scatter the light passing through the air. This phenomenon is called Tyndal effect.

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Q. Defenitions of
(i)Scattering of light
(ii) Tyndall effect
by the term "colloidal particles" in the definition of tyndall effect, what do we mean? Does it include particles such as air molecules, water droplets, dust particles, or just the colloidal particles found in colloids?

Q. Soap solution is colloidal in nature and remove the dust particles by which of the following process?

Q. Air contains dust particles. While inhaling air, we also inhale dust particles. Whether it is true or false? Give reason in support of the statements.

_________is an example of solid in solid solution

A cold drinks

B German silver

C dust particles in air

D fog

The scattering of light by colloidal particles present in a colloidal solution is called _______ .

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Aerosol (Solid/Gas)

Standard IX Chemistry

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