Question

on what basis are the colloids classsified? give 2 examples

Answer 1

Colloids can be classified on various bases: On the basis of the physical state of the components (by components we mean the dispersed phases and dispersion medium.) . Depending on whether the components are solids, liquids, or gases, we can have eight types of colloids

• Colloids refer to dispersions of small particles usually with linear dimensions from around 1 nm to 10 micrometres. ...

• Examples: fog, smog, and sprays.

• Examples: smoke and dust in the air.

• Examples: milk and mayonnaise.

• Examples: pigmented plastics.

• Examples: silver iodide sol, toothpaste, and Au sol.

• Liquid aerosol.

Answer 2

Answer:

A common method of classifying colloids is based on the phase of the dispersed substance and what phase it is dispersed in. The types of colloids includes sol, emulsion, foam, and aerosol. Sol is a colloidal suspension with solid particles in a liquid.