Question

Fill in the blanks:

A colloid is a _____ mixture and its components can be separated by the technique known as _____.

• A. Heterogeneous
• B. Centrifugation

Answer 1

1. Colloidal solution: It is a heterogeneous mixture made up of two phases namely, the dispersed phase and the dispersion medium.
2. The substance distributed as particles is called the dispersed phase. The continuous phase in which the colloidal particles are dispersed is called dispersion medium.
3. A colloid is a heterogeneous mixture.
4. Heterogeneous mixture: This is a type of mixture in which all the components are completely mixed and all the particles can be seen under a microscope. We can easily identify the components and more than one phase can be seen by naked eyes.
5. Centrifugation: The process of separating the suspended particles or colloidal particles of a substance from a liquid in a mixture by churning them at high speed. For example: blood cells can be separated from blood using centrifugation.

Thus, a colloid is a Heterogeneous mixture and its components can be separated by the technique known as Centrifugation.