Question

How sols are classified

Answer 1

Answer:

Explanation

:Based on the physical state of the dispersed phase and dispersion medium, colloids can be classified into different types. One important class of colloidal system is sols. In sols, the dispersed phase is solid and dispersion medium is liquid.

Answer 2

Sols are classified on the basis of size of solid particles present in it.

Explanation:

• When solid particles that are very small in size are present in a continuous liquid medium then the solution formed is known as sol. For example, blood, cell fluid, milk of magnesia etc are all sols.

• Basically, a sol is a colloid in which solute are solid particles and a fluid acts as a dispersion medium. When the dispersion medium is water then it is known as a hydrosol. Particles of a sol have a size of about 1 nm to 100 nm.

• Whereas if the dispersion medium is air then the colloid or sol is known as an aerosol. Sol is a heterogeneous mixture which will also show tyndall effect. Its particles do not settle down or separate over time.

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