Question

1.Explain why particles of a colloidal solution do not settle down when left undisturbed, while in the case of a suspension they do​

Answer 1

The colloidal particles are smaller and not heavy. ... Whereas particles of suspension are larger, heavy and have less movement, thus settle down due to gravity.

I hope this helps you ✌

Answer 2

Answer:

The colloidal particles are smaller and not heavy. ... Apart from this, colloidal particles are charged and repel each other. This fact also do not allow the particles of colloidal solution to settle down. Whereas particles of suspension are larger, heavy and have less movement, thus settle down due to gravity.