Advertisements
Advertisements
Question
Explain why particles of a colloidal solution do not settle down when left undisturbed, while in the case of a suspension they do.
Advertisements
Solution
The size of colloidal particles in a colloidal solution is smaller than suspension. These particles are in a random motion hence do not settle down when left undisturbed. The particles of suspension are bigger and they tend to settle down under the effect of gravity.
APPEARS IN
RELATED QUESTIONS
Explain the following giving an example.
Colloid
State whether the following statement is true or false :
Milk is a pure substance.
Give two examples.
Colloid
Write scientific reason.
Constituent substances of a colloid cannot be separated by ordinary filtration.
State whether true or false. If false, correct the statement.
Liquid–liquid colloids are called gel.
Explain Tyndall effect and Brownian movement with suitable diagram.
The intensity of scattered light depends on the type of colloidal solution and the size of the colloidal particles.
Classify colloids based on the physical state of the dispersed phase and the dispersion medium.
A colloidal solution is a ______.
What are colloidal solutions?
